# A012129 (b-file synthesized from sequence entry)
0 1
1 -3
2 41
3 -1243
4 65681
5 -5335283
6 616216121
7 -95919970123
8 19349625251361
9 -4909180152449763
10 1529770153928451401
11 -574346328696763158203
12 255703860384773029976241
13 -133196988269151890206719443