# A340886 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 76
4 1720
5 60816
6 3096384
7 214579296
8 19422473088
9 2224980891904
10 314675568756736
11 53849929134122496
12 10966912240761425920
13 2621246193301011159040
14 726608751113679704248320
15 231217063994112487051984896
16 83713709650818121936828858368