# A149033 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 10
4 34
5 126
6 491
7 1949
8 7919
9 32903
10 138223
11 587746
12 2526421
13 10941149
14 47729602
15 209562569
16 924878572
17 4101835581
18 18270356562
19 81686164214
20 366493225290
21 1649478891641
22 7444911031185
23 33690982426856
24 152831005271410
25 694817195153960
26 3165364902881297
27 14447917905401121