# A148228 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 13
5 32
6 112
7 317
8 1199
9 3650
10 14390
11 46288
12 187934
13 628364
14 2608187
15 8985156
16 37900208
17 133703155
18 571404787
19 2054685733
20 8871770591
21 32416109883
22 141169696693
23 522777139834
24 2292885433332
25 8589464293407
26 37900674076646
27 143404002717644
28 636046108002097
29 2427716350295630