# A013410 (b-file synthesized from sequence entry)
0 0
1 3
2 -15
3 945
4 -44415
5 5769225
6 -711485775
7 171504558225
8 -40549611477375
9 15553976334521625
10 -6025672551378855375
11 3368007502842396038625
12 -1937899053877871819109375
13 1488068350680083972290115625