# A025578 (b-file synthesized from sequence entry)
1 1
2 3
3 8
4 23
5 67
6 197
7 582
8 1725
9 5124
10 15245
11 45412
12 135401
13 404015
14 1206247
15 3603230
16 10767855
17 32189931
18 96259221
19 287924196
20 861415809
21 2577711045
22 7714933851
23 23093949534
24 69139301043
25 207017139906
26 619921659303
27 1856572250112