# A037546 (b-file synthesized from sequence entry)
1 1
2 7
3 37
4 186
5 932
6 4662
7 23311
8 116557
9 582787
10 2913936
11 14569682
12 72848412
13 364242061
14 1821210307
15 9106051537
16 45530257686
17 227651288432
18 1138256442162
19 5691282210811
20 28456411054057
21 142282055270287
22 711410276351436