# A012149 (b-file synthesized from sequence entry)
0 1
1 -1
2 1
3 47
4 -447
5 -31649
6 1241153
7 94750991
8 -10593064063
9 -734072274241
10 217167723689345
11 9078987118530031
12 -9048136095510326335
13 132977311200029875999
14 677245929952843206843329