# A026709 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 5
4 13
5 24
6 61
7 116
8 293
9 564
10 1421
11 2752
12 6925
13 13457
14 33839
15 65891
16 165621
17 322905
18 811431
19 1583317
20 3978065
21 7766507
22 19511079
23 38106295
24 95723669
25 187002147
26 469727963
27 917808733
28 2305345429
29 4505028968