# A375174 (b-file synthesized from sequence entry)
0 1
1 1
2 13
3 289
4 9073
5 367681
6 18249661
7 1071805393
8 72684954049
9 5588943933313
10 480445784729101
11 45656401249018561
12 4752397230972673393
13 537724197016879848769
14 65711109523289467682173
15 8624825762253351871394161
16 1210085772867351648907603201