# A126677 (b-file synthesized from sequence entry)
4 1
5 10
6 850
7 624750
8 4228932750
9 284539511151000
10 205915553429755680000
11 1731646846567530390960000000
12 182269815381165453023977392960000000
13 257732232581979345367168654620866388480000000
14 5235508937551175000760375514558779305187938734080000000
15 1628187052306629700637438618898904208447222949912051474432000000000