# A149199 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 10
4 38
5 132
6 487
7 1862
8 7245
9 28422
10 113605
11 457643
12 1859672
13 7605699
14 31310991
15 129568364
16 538485313
17 2246892203
18 9410626846
19 39534850340
20 166557012942
21 703547733280
22 2978832014892
23 12638990514849
24 53732382345325
25 228850861814858
26 976318372408322
27 4171575158414500