# A026030 (b-file synthesized from sequence entry)
1 1
2 4
3 15
4 56
5 209
6 780
7 2912
8 10880
9 40698
10 152456
11 572033
12 2150040
13 8095425
14 30535260
15 115377660
16 436698240
17 1655607390
18 6286707000
19 23908446510
20 91057063344
21 347281885818
22 1326262602104
23 5071418015120
24 19415851639296
25 74419447792340