Reserving 800922
Dropping 953172

Dropping 312330
Reserving 963342

Releasing 998850 (141 fully ecm-ed)

Reserving 239520
Dropping 963342

Dropping 806472 (size: 144, ECMed C136 cofactor)
Dropping 828600 (size: 117, ECMed C117 cofactor)

Dropping 807834 (2^3*3, ECMed C122)

Dropping 156174 (2^2*7, ECMed C123)

There is now no sequence less then a size of 122, which isn't reserved. So I start reserving sequences with size of 122 now and run them until a size of 130 (or termination).

[QUOTE=yoyo;414332]There is now no sequence less then a size of 122, which isn't reserved. So I start reserving sequences with size of 122 now and run them until a size of 130 (or termination).[/QUOTE]
(technically this is false :razz:, 319860 is at 41 digits and not reserved, but this sequence seems it is broken in the data base at 118 digits)
([URL="http://factordb.com/sequences.php?se=1&aq=2825523558447041736665230216235917892232717165769067317116537832686621082273062400083298623866666431871912457614030538&action=last20"]link to the continuation[/URL] of it)

Reserving 303996

[QUOTE=LaurV;414390]319860 is at 41 digits[/QUOTE]
121 digits :redface:
don't know how 41 got in :blush: