# A174170 (b-file synthesized from sequence entry)
0 1
1 -2
2 1
3 13
4 -23
5 -242
6 -1559
7 16273
8 -145799
9 -4222034
10 3164281
11 3257872813
12 94135157041
13 -7612225739042
14 563989131103537
15 69655619036668993
16 4504341812743290961
17 -2245876068496447419362
18 -169454688152728033203119