# A185630 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 55
4 315
5 2243
6 19378
7 198363
8 2358860
9 32060736
10 491393909
11 8398281337
12 158541018923
13 3279307650137
14 73808041476439
15 1796794875356409
16 47063878147374980
17 1320276655048586177
18 39504980013582635300
19 1256210676237601811305
20 42313074100060933324771