# A035355 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 5
5 15
6 44
7 140
8 442
9 1443
10 4751
11 15903
12 53716
13 183334
14 630513
15 2184417
16 7614318
17 26690344
18 94015908
19 332639104
20 1181596784
21 4212424485
22 15066677338
23 54050993664
24 194438337125
25 701224890628
26 2534810109024