# A148447 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 17
5 50
6 171
7 567
8 1986
9 7141
10 25843
11 96251
12 361442
13 1374276
14 5293874
15 20516616
16 80360955
17 316699197
18 1256415912
19 5016548166
20 20123158508
21 81163144236
22 328709365541
23 1336843859193
24 5457904253914
25 22356889879962
26 91891356641343
27 378782930930332
28 1565838304801996
29 6489933891530336