# A324140 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 2
4 12
5 144
6 6912
7 4478976
8 150923575296
9 3091996642249801728
10 2121885128576356504259996418048
11 30493397665311618727858440951711886636410099204096