Post status updates here - Page 41

unconnected · 2009-10-07, 12:03

533532: i=1065, size 131, 2^5*7 guide
C128 have ECM'ed to t35

gd_barnes · 2009-10-07, 18:12

I am now done with 282276. Status:

282276; i=4588; sz 116; C109; +3679; 2^5*3^3*5

This is the other sequence mentioned by Karsten in the "a little request" thread. It had presumably been already searched to i=4556 by Bosma but was only at i=909 in the DB.

It is also the one that had an error in the DB. That error has now been corrected.

gd_barnes · 2009-10-08, 09:34

I am now done with 15390 and 18102. Statuses:

15390; i=526; sz 109; C108; +61; 2^2*3

18102; i=1024; sz 103; C101; +17; 2*3^2

Extremely boring sequences.

gd_barnes · 2009-10-09, 09:33

I am now done with 244140 only a day after I reserved it since it was already at a size of 109 before starting. Status:

244140; i=5068; sz 112; C105; +13; 2^4*7

The current index has factors of 2^4*7^2 but I only consider the sequence having particular small factors if it has had them for at least the last 3 indexes. I'm not sure what others think of that.

244140 is currently the 21st longest in the DB. There is only one longer sequence that has a C<100. That is 236754 at i=5660 and C99. I think David (henryzz) is still working on that one. The 2nd longest one is 76686 at i=5047 and C90. I think I'll reserve that one in the reservations thread.

gd_barnes · 2009-10-09, 10:37

I am now done with 105096. Status:

105096; i=797; sz 107; C102; +30; 2^4*5

After dropping the factor of 3 11 indexes ago, this one has a reasonable guide and might be an interesting one for someone to pick up. The factor of 5 is nothing; only occurring sporadically. One interesting side note: It had a 2^14 factor 9 indexes ago! :-O

henryzz · 2009-10-09, 18:59

Quote:

Originally Posted by gd_barnes

244140 is currently the 21st longest in the DB. There is only one longer sequence that has a C<100. That is 236754 at i=5660 and C99. I think David (henryzz) is still working on that one. The 2nd longest one is 76686 at i=5047 and C90. I think I'll reserve that one in the reservations thread.

236754 has put on a few iterations since then
it is now at i=5741 and C123 with 2^2*7 as driver
it beats the sequence that is currently 9th on kar_bon's records page

gd_barnes · 2009-10-10, 01:59

I am now done with 584832. Status:

584832; i=4154; sz 110; C103; +35; 2^4*3*31

gd_barnes · 2009-10-10, 02:08

Quote:

Originally Posted by henryzz

236754 has put on a few iterations since then
it is now at i=5741 and C123 with 2^2*7 as driver
it beats the sequence that is currently 9th on kar_bon's records page

According to the DB listing here, it is 13th longest.

Batalov · 2009-10-10, 02:19

Quote:

Originally Posted by gd_barnes

One interesting side note: It had a 2^14 factor 9 indexes ago! :-O

238650 has 2^20 in iteration 235.

909192 index 1288 has 2^23
182172 index 156 has 2^22

gd_barnes · 2009-10-10, 10:34

Quote:

Originally Posted by Batalov

238650 has 2^20 in iteration 235.

909192 index 1288 has 2^23
182172 index 156 has 2^22

Yeah, I knew from previously looking at the "odds and ends and class records" thread that there were plenty of them higher than mine but I thought it was interesting that I encountered such a high one in the 30 indexes that I searched.

gd_barnes · 2009-10-10, 10:40

I am now done with 76686. Status:

76686; i=5082; sz 114; C107; +35; 2^3*3*5

Up up and away!

All sequences at i>=5000 are now at C>=100.

2009-10-09, 10:37	#445
gd_barnes May 2007 Kansas; USA 10100010101101₂ Posts	I am now done with 105096. Status: 105096; i=797; sz 107; C102; +30; 2^45 After dropping the factor of 3 11 indexes ago, this one has a reasonable guide and might be an interesting one for someone to pick up. The factor of 5 is nothing; only occurring sporadically. One interesting side note: It had a 2^14 factor 9 indexes ago! :-O Last fiddled with by gd_barnes on 2009-10-09 at 10:42*

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2009-10-07, 12:03	#441
unconnected May 2009 Russia, Moscow 2,593 Posts	533532: i=1065, size 131, 2^5*7 guide C128 have ECM'ed to t35

2009-10-07, 18:12	#442
gd_barnes May 2007 Kansas; USA 3²×13×89 Posts	I am now done with 282276. Status: 282276; i=4588; sz 116; C109; +3679; 2^53^35 This is the other sequence mentioned by Karsten in the "a little request" thread. It had presumably been already searched to i=4556 by Bosma but was only at i=909 in the DB. It is also the one that had an error in the DB. That error has now been corrected.

2009-10-08, 09:34	#443
gd_barnes May 2007 Kansas; USA 24255₈ Posts	I am now done with 15390 and 18102. Statuses: 15390; i=526; sz 109; C108; +61; 2^23 18102; i=1024; sz 103; C101; +17; 23^2 Extremely boring sequences.

2009-10-09, 09:33	#444
gd_barnes May 2007 Kansas; USA 3²×13×89 Posts	I am now done with 244140 only a day after I reserved it since it was already at a size of 109 before starting. Status: 244140; i=5068; sz 112; C105; +13; 2^47 The current index has factors of 2^47^2 but I only consider the sequence having particular small factors if it has had them for at least the last 3 indexes. I'm not sure what others think of that. 244140 is currently the 21st longest in the DB. There is only one longer sequence that has a C<100. That is 236754 at i=5660 and C99. I think David (henryzz) is still working on that one. The 2nd longest one is 76686 at i=5047 and C90. I think I'll reserve that one in the reservations thread.

2009-10-10, 01:59	#447
gd_barnes May 2007 Kansas; USA 28AD₁₆ Posts	I am now done with 584832. Status: 584832; i=4154; sz 110; C103; +35; 2^4331

2009-10-10, 10:40	#451
gd_barnes May 2007 Kansas; USA 3²·13·89 Posts	I am now done with 76686. Status: 76686; i=5082; sz 114; C107; +35; 2^335 Up up and away! All sequences at i>=5000 are now at C>=100.