# A174191 (b-file synthesized from sequence entry)
0 1
1 2
2 3
3 6
4 13
5 30
6 71
7 170
8 409
9 986
10 2379
11 5742
12 13861
13 33462
14 80783
15 195026
16 470833
17 1136690
18 2744211
19 6625110
20 15994429
21 38613966
22 93222359
23 225058682
24 543339721
25 1311738122
26 3166815963
27 7645370046
28 18457556053
29 44560482150
30 107578520351