# A216729 (b-file synthesized from sequence entry)
0 1
1 1
2 140
3 168000
4 812011200
5 11021058048000
6 339782903171712000
7 20692894514095964160000
8 2254632317437500000000000000
9 408212019690599470111653888000000
10 115985264066835726820369478446080000000
11 49409573278650211500346024173376634880000000
12 30404587048380414443886075636144408738201600000000