# A196196 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 5
5 15
6 97
7 528
8 7525
9 81413
10 2330257
11 53229494
12 2883887781
13 143434131379
14 14268520503521
15 1569684574492244
16 282300076226827269
17 69232924049740233209
18 22337274702237239579729
19 12261557957001826246975754
20 7069170473480519272781373829