# A009729 (b-file synthesized from sequence entry)
0 1
1 -1
2 -39
3 -1233
4 -50831
5 -2696321
6 -173033847
7 -12037460945
8 -631883857695
9 72323545938047
10 51175586766916153
11 20871009809650906031
12 8144386597628284974161
13 3320626270273875548979455