# A026731 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 7
5 16
6 27
7 65
8 108
9 267
10 440
11 1105
12 1812
13 4597
14 7514
15 19196
16 31307
17 80380
18 130883
19 337284
20 548547
21 1417582
22 2303413
23 5965622
24 9686617
25 25130844
26 40783083
27 105954110
28 171868037
29 447015744
30 724837891
31 1886996681