# A149824 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 10
4 28
5 82
6 276
7 950
8 3310
9 12078
10 44530
11 166938
12 643884
13 2497582
14 9846816
15 39300510
16 157864202
17 640945466
18 2623007032
19 10794098482
20 44800697192
21 186807264986
22 783544937362
23 3303567503730
24 13988690095946
25 59491279201242
26 254085592304632
27 1088721319725422
28 4683544234743224