# A097081 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 3
5 11
6 31
7 71
8 145
9 289
10 601
11 1321
12 2979
13 6683
14 14743
15 32111
16 69697
17 151777
18 332113
19 728689
20 1598883
21 3503627
22 7668079
23 16774775
24 36704017
25 80343361
26 175916521
27 385196761
28 843365379
29 1846290395
30 4041672871
31 8847607391