# A148163 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 31
6 91
7 283
8 901
9 2904
10 9521
11 31808
12 107236
13 364364
14 1251636
15 4333312
16 15077986
17 52788201
18 185909398
19 657386742
20 2333476922
21 8317496562
22 29746811372
23 106682779598
24 383721471229
25 1383920063898
26 5002364671105
27 18120720841491
28 65780485710789
29 239235254890321
30 871545199855827
31 3180392395993126