# A114426 (b-file synthesized from sequence entry)
1 16
2 384
3 13824
4 552960
5 29859840
6 1672151040
7 100329062400
8 8126654054400
9 682638940569600
10 60072226770124800
11 5406500409311232000
12 540650040931123200000
13 56227604256836812800000