# A122420 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 10
4 120
5 1778
6 31685
7 661940
8 15882128
9 430607370
10 13022755068
11 434697574538
12 15875944361864
13 629756003982336
14 26963278837704185
15 1239382820431888898
16 60875147436141987437
17 3181961834442383306068