# A143672 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 24
4 816
5 239968
6 808814912
7 38764383658368
8 31491961129357837056
9 503091371552266970507912704
10 179763631086276515267399940231898112
11 1609791936564515363272979180683040232936253440