# A157133 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 4
5 7
6 14
7 30
8 62
9 129
10 278
11 604
12 1313
13 2883
14 6386
15 14203
16 31733
17 71272
18 160725
19 363670
20 825653
21 1880351
22 4293985
23 9830499
24 22558939
25 51880565
26 119552907
27 276012657
28 638348123
29 1478749229
30 3430799333
31 7971134523