# A057868 (b-file synthesized from sequence entry)
1 48
2 5760
3 362880
4 19353600
5 958003200
6 31384184832000
7 2092278988800
8 341459930972160000
9 183927391818153984000
10 32114306507931648000000
11 620448401733239439360000
12 81303558563123696133734400000
13 9678995067038535254016000000
14 2122022878497528469090467840000000