# A349268 (b-file synthesized from sequence entry)
0 2
1 12
2 126
3 2160
4 49410
5 1415232
6 48649086
7 1951153920
8 89434106370
9 4611775398912
10 264235243691646
11 16653520425185280
12 1145011717430672130
13 85285640517460180992
14 6841110155700330881406
15 587950108643300554506240
16 53899295662946509072626690
17 5249943672359370392053481472