# A180710 (b-file synthesized from sequence entry)
1 1
2 3
3 28
4 504
5 26520
6 3090528
7 690908400
8 432222336000
9 543025101265920
10 1255553120600064000
11 6002949274226395545600
12 65900815978203369461760000
13 1290586365875976383280969154560
14 48847915039427778415352397535641600