# A151230 (b-file synthesized from sequence entry)
0 1
1 3
2 13
3 59
4 276
5 1326
6 6430
7 31466
8 154803
9 764468
10 3786401
11 18790430
12 93402254
13 464815171
14 2315297901
15 11541079787
16 57561303467
17 287218778948
18 1433675907696
19 7158410796594
20 35750733174914
21 178581809177037
22 892192055382607
23 4457958395036094
24 22277194997673579
25 111332957862488865