# A148592 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 20
5 57
6 191
7 647
8 2204
9 7992
10 28194
11 104874
12 384720
13 1449306
14 5483215
15 20898490
16 80658514
17 311364894
18 1216690972
19 4756274956
20 18748495518
21 74099975703
22 294247939801
23 1173264704275
24 4690663672229
25 18833731765177
26 75769138632263
27 305949783943704
28 1237810577381054
29 5022401265853285