# A018156 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 8
5 15
6 25
7 44
8 76
9 130
10 225
11 386
12 664
13 1142
14 1963
15 3375
16 5800
17 9970
18 17136
19 29454
20 50625
21 87012
22 149555
23 257051
24 441812
25 759375
26 1305192
27 2243328
28 3855769
29 6627188
30 11390625
31 19577886
32 33649921