# A093156 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 9
5 24
6 63
7 177
8 514
9 1527
10 4625
11 14230
12 44358
13 139779
14 444558
15 1425151
16 4600339
17 14939849
18 48778197
19 160019885
20 527200711
21 1743607826
22 5786756470
23 19266336882
24 64331275266
25 215377539119
26 722840378042
27 2431459847364