# A149503 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 11
4 47
5 143
6 555
7 1981
8 7477
9 28549
10 108961
11 426105
12 1662133
13 6568089
14 26088533
15 104028671
16 418100919
17 1683005799
18 6816895227
19 27676678867
20 112793176879
21 461118216915
22 1889680551359
23 7767367649263
24 31991637007963
25 132086685745455
26 546431369722467
27 2264882999794055