# A185994 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 26
4 150
5 1114
6 10614
7 131002
8 2128278
9 46294426
10 1368718518
11 55647242106
12 3137452915158
13 246751601425242
14 27181289502625014
15 4205716133932054842
16 915890632125187606038
17 281117681559174501597466
18 121733516122198763782243638