# A010355 (b-file synthesized from sequence entry)
1 1
2 0
3 1
4 1
5 2
6 4
7 7
8 16
9 42
10 111
11 331
12 1094
13 3829
14 14380
15 57069
16 237188
17 1027929
18 4622588
19 21494274
20 103077677
21 508743475
22 2579847563
23 13422868110
24 71570635306
25 390670937143