# A097201 (b-file synthesized from sequence entry)
1 0
2 -17
3 399
4 13983
5 4179663
6 67080303
7 17179785663
8 274877776623
9 70368743897823
10 288230376151004463
11 4611686018426464383
12 18889465931478578980623
13 4835703278458516695998943