# A064624 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 145
4 6631
5 566641
6 81184327
7 18070338385
8 5905039303591
9 2711929990866481
10 1690633724369840647
11 1390752644563701636625
12 1474612871875198657851751
13 1975728790062794178772769521