# A019485 (b-file synthesized from sequence entry)
0 2
1 5
2 12
3 28
4 65
5 150
6 346
7 797
8 1836
9 4228
10 9737
11 22422
12 51634
13 118901
14 273804
15 630508
16 1451921
17 3343446
18 7699210
19 17729549
20 40827180
21 94015828
22 216497369
23 498544854
24 1148036962
25 2643671525
26 6087782412
27 14018796988
28 32282144225
29 74338535190
30 171184967866