# A191769 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 12
5 33
6 92
7 267
8 792
9 2403
10 7414
11 23199
12 73454
13 234901
14 757654
15 2461877
16 8051284
17 26480681
18 87534184
19 290652931
20 968992200
21 3242229475
22 10884245838
23 36648566551
24 123739675390
25 418848744517
26 1421072269234
27 4831811596381