# A149549 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 13
4 57
5 185
6 837
7 2937
8 13469
9 50053
10 231217
11 890229
12 4139401
13 16354421
14 76393849
15 307792285
16 1443118481
17 5903933641
18 27765120645
19 115004559193
20 542206182909
21 2268903801801
22 10719898112253
23 45245504677105
24 214162624027061
25 910577580645457
26 4316931291076229
27 18471685550254169