# 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