# A149504 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 11
4 47
5 143
6 577
7 2003
8 8189
9 29843
10 124237
11 467583
12 1960681
13 7577163
14 31962501
15 125734635
16 534229159
17 2128096227
18 9092397583
19 36615310761
20 157023171309
21 638232284475
22 2746009559707
23 11244568651801
24 48528835473245
25 199957782233787
26 865169500080713
27 3584439532293331