# A066931 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 113
4 20174
5 22306955
6 123222909271
7 3283834214485890
8 421263391026827547540
9 260028731850596651411721718
10 772086476515163830856527013278243
11 11025620741283840573496993339545350520150
12 757129347300072898736973484532998417574513923224