# A149735 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 75
5 309
6 1425
7 6201
8 29221
9 132289
10 629579
11 2912059
12 13988935
13 65633287
14 317029795
15 1503382545
16 7293409299
17 34848431283
18 169636664131
19 815377820679
20 3979513299379
21 19217458483101
22 93997752125995
23 455631560068157
24 2232619470595959
25 10855680648153653
26 53274469970301121
27 259704454769699575