# A149236 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 11
4 34
5 123
6 435
7 1533
8 5892
9 22237
10 84367
11 332331
12 1306500
13 5142079
14 20652446
15 83135547
16 334935274
17 1364559971
18 5580387419
19 22840235561
20 94098748404
21 389138417389
22 1611015331384
23 6696438808173
24 27926143286144
25 116611087095741
26 488218244457241
27 2049513930152671
28 8615627892995420