# A296190 (b-file synthesized from sequence entry)
1 0
2 1
3 10
4 123
5 2202
6 59040
7 2287680
8 121394000
9 92649740400
10 105538103163360
11 1034297134668000
12 134399089883282400
13 27076064087538702720
14 5451799851068349018240
15 19300076847195336557164800
16 4599598343095846092562560000
17 1682634821690958905899793664000