# A374848 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 16
4 162
5 3600
6 147456
7 12320100
8 2058386904
9 701841817600
10 488286500625000
11 696425232679321600
12 2038348954317776486400
13 12259459134020160144810000
14 151596002479762016373851690400
15 3855806813438155578522841251840000