# A120957 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 8
4 123
5 3024
6 106850
7 5110440
8 317955435
9 24986363648
10 2422868732514
11 284385893015080
12 39758967921029830
13 6530586385172586528
14 1245479442254732687652
15 272988926352496428778928