# A148888 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 30
5 104
6 413
7 1627
8 6738
9 28291
10 121351
11 527845
12 2325348
13 10350338
14 46493978
15 210439523
16 959042601
17 4396353397
18 20259252722
19 93795603600
20 436053315743
21 2034850056215
22 9527769028756
23 44749410126415
24 210766594872031
25 995244645976326
26 4710672278535226
27 22344931695751350