# A012966 (b-file synthesized from sequence entry)
0 0
1 2
2 -1
3 -8
4 18
5 306
6 -1905
7 -26532
8 353388
9 4334778
10 -110509245
11 -1021609008
12 50779213254
13 272982059658
14 -32111535861405
15 -11592260316252
16 26485822571365080
17 -161024492765786958
18 -27356021208171990873