# A012183 (b-file synthesized from sequence entry)
0 1
1 1
2 21
3 1101
4 107209
5 16711481
6 3810146205
7 1195529025861
8 494050576455185
9 260086639760540401
10 169928807728242392485
11 134924876918419856397501
12 127963083862513681084495321