# A149286 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 11
4 44
5 163
6 660
7 2744
8 11609
9 50491
10 222050
11 990487
12 4470299
13 20329678
14 93309453
15 430847108
16 2001760287
17 9349413398
18 43860569586
19 206640193818
20 977015030033
21 4634743021734
22 22052035654559
23 105201656349502
24 503122279367445
25 2411495205457281
26 11582161001516096
27 55732796605327564