# A365341 (b-file synthesized from sequence entry)
0 1
1 1
2 10
3 210
4 6840
5 303600
6 17100720
7 1168675200
8 93963542400
9 8691104822400
10 909171781056000
11 106137499051584000
12 13679492361575040000
13 1929327666754295808000
14 295570742023171270656000
15 48877281133334949335040000
16 8677556868736487617966080000