# A115187 (b-file synthesized from sequence entry)
0 1
1 5
2 39
3 346
4 3230
5 31191
6 309175
7 3129194
8 32211432
9 336239668
10 3551081432
11 37876866618
12 407453687104
13 4415521127579
14 48159808659879
15 528270329593474
16 5823991858003544
17 64497989461609224
18 717191431082458804