# A012082 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 7681
5 1689601
6 390274561
7 113644876801
8 42729427952641
9 20428848924057601
10 12142755781873873921
11 8789483754515321088001
12 7614001483915573936550401
13 7778864404689826961021184001