# A291953 (b-file synthesized from sequence entry)
1 1
2 0
3 0
4 6
5 570
6 73620
7 13675620
8 3540401760
9 1229855690952
10 554518177819200
11 315663337023994080
12 221736991132524890880
13 188570961922698640977120
14 191056359142016559185938944
15 227491517759156008014967128000