# A156904 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 63
4 6732
5 3414312
6 10221878106
7 243813944182248
8 50538758405328815616
9 87376772859536771916909012
10 1235009698863206337006094872463887
11 142641072494398006081741872595533545306244