# A009144 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 88
4 2176
5 78080
6 4159616
7 307882240
8 29920681984
9 3710767394816
10 571523842998272
11 107010484096565248
12 23940179383147724800
13 6306683724617339961344
14 1932337463823712544620544