# A151211 (b-file synthesized from sequence entry)
0 1
1 3
2 13
3 53
4 251
5 1123
6 5443
7 25319
8 124085
9 589525
10 2907101
11 13992377
12 69260281
13 336246069
14 1668515057
15 8149453349
16 40508704195
17 198730129755
18 989055732315
19 4868337933007
20 24251331823247
21 119677240767379
22 596579249085239
23 2950013134883235
24 14713426845193475
25 72874410714058567
26 363620465475437771