# A277245 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 31
4 109
5 338
6 1029
7 2889
8 7797
9 19928
10 48965
11 115275
12 262034
13 574803
14 1222170
15 2521350
16 5060938
17 9896451
18 18891871
19 35249977
20 64390786
21 115284416
22 202560300
23 349637130
24 593499173
25 991625986
26 1632248998
27 2648936320
28 4241607523
29 6705867270
30 10474314965