# A149860 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 13
4 38
5 127
6 439
7 1561
8 5673
9 21144
10 81137
11 314145
12 1232603
13 4909110
14 19728702
15 80154126
16 327820102
17 1350493841
18 5610705828
19 23416574546
20 98304768279
21 414909948960
22 1758260345077
23 7488145688244
24 32001010966712
25 137249426117898
26 590954969322700
27 2551267808790323
28 11049608193888765