# A363911 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 30
4 384
5 7560
6 228960
7 10306800
8 685399680
9 66490865280
10 9316160179200
11 1866087527673600
12 529244914160793600
13 210621677079215001600
14 116661392964364363315200
15 89281569344544938769408000
16 93799600948326479830880256000