# A012851 (b-file synthesized from sequence entry)
0 1
1 1
2 25
3 1225
4 108113
5 15283505
6 3167087273
7 904365439289
8 340377095938337
9 163284306442648801
10 97251848546749385145
11 70412470931263247515689
12 60905917762268697815507057
13 62032377805368358044198610705