# A012859 (b-file synthesized from sequence entry)
2 1
3 -1
4 25
5 -269
6 4401359
7 -5248651
8 3071547701
9 -6442201463
10 329484655084859
11 -85737877363717
12 13881630720619393
13 -5324119220723357533
14 3593575793538669123431
15 -31257038840658566465059
16 9484738025292216993019060741
17 -6497059861630698641837006393
18 4389630332959873242573538670607401