# A136463 (b-file synthesized from sequence entry)
0 1
1 2
2 15
3 560
4 91390
5 61124064
6 163995687856
7 1756185841659392
8 75079359427627897200
9 12831653340946454374300160
10 8777916355714456994772455584000
11 24054320541767107204031746600673906688