# A093647 (b-file synthesized from sequence entry)
0 1
1 2
2 20
3 130
4 4000
5 34385
6 127658
7 154375
8 338143
9 1462240
10 22936888
11 104087491
12 756449941
13 1252467550
14 3953591108800
15 110329835126080
16 112834800815577880
17 149099873130116779
18 26141903882328110417