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Forum: Riesel Prime Search 2020-08-04, 23:52
Replies: 27
Views: 17,220
Posted By sweety439
Also see post...

Also see post https://mersenneforum.org/showpost.php?p=138737&postcount=24, some forms like 25*12^n-1 and 144*19^n-1 have zero weight.

25*12^n-1:

for even n let n = 2*q; factors to:
...
Forum: Riesel Prime Search 2020-08-04, 23:48
Replies: 27
Views: 17,220
Posted By sweety439
See page...

See page https://www.rieselprime.de/ziki/Riesel_k%3D1-300, 9*2^n-1 has Nash weight 1674, and 25*2^n-1 has Nash weight 1571
Forum: Riesel Prime Search 2020-07-17, 21:26
Replies: 27
Views: 17,220
Posted By sweety439
so how to get the true Nash weight? Also, I...

so how to get the true Nash weight?

Also, I want to calculate the Nash weight for the general case (k*b^n+c)/gcd(k+c,b-1) (k>=1, b>=2, c != 0, gcd(k,c)=1, gcd(b,c)=1)
Forum: Riesel Prime Search 2020-07-17, 21:06
Replies: 27
Views: 17,220
Posted By sweety439
There is a bug: ...

There is a bug:


C:\Users\user\Downloads\allnash>mnash -31 31 2 4
-31 4 0 0
-29 4 898 900
-27 4 2802 2812
-25 4 0 0
...
Forum: Riesel Prime Search 2020-07-17, 20:53
Replies: 27
Views: 17,220
Posted By sweety439
I typed "nash 127" It prints "127 325 332"...

I typed "nash 127"

It prints "127 325 332"

Thus the weight of 127*2^n+1 is 325 and the weight of 127*2^n-1 is 332?
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