# A012845 (b-file synthesized from sequence entry)
0 1
1 -1
2 -19
3 -565
4 -24743
5 -1450985
6 -100090043
7 -5608180253
8 703874231473
9 601015521145391
10 309193460848468125
11 160230604230030181371
12 91310347371287711776777
13 58721857461984188996135495