# A149087 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 7
4 30
5 75
6 293
7 897
8 3296
9 11493
10 41905
11 153503
12 570138
13 2136265
14 8128562
15 30938365
16 119262756
17 461558439
18 1797401295
19 7047184967
20 27701702878
21 109512364145
22 434806576518
23 1730879700961
24 6923437993554
25 27750890786575
26 111617155390501
27 450364141890515
28 1820424319409176