# A027234 (b-file synthesized from sequence entry)
3 1
4 9
5 62
6 320
7 1837
8 8376
9 45666
10 198471
11 1065418
12 4523403
13 24247545
14 101589616
15 547233490
16 2273356598
17 12341618508
18 50963502172
19 279167141052
20 1147495086055
21 6344204700832
22 25979651242434
23 144938080884808
24 591635283209270
25 3328970814605391
26 13551109648829458
27 76853618775913752