# A149729 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 75
5 289
6 1329
7 5635
8 26397
9 116593
10 552593
11 2506239
12 11979623
13 55316481
14 266066767
15 1244457787
16 6014193317
17 28401812231
18 137771141551
19 655491800229
20 3189195262765
21 15263886550913
22 74447327834795
23 358032324714527
24 1749853945686871
25 8448874986136843
26 41365559604166123
27 200391378903857941