# A305780 (b-file synthesized from sequence entry)
6 1
7 6
8 27
9 108
10 409
11 1558
12 5692
13 21328
14 76468
15 282885
16 999383
17 3656887
18 12772925
19 46306978
20 160408850
21 577077226
22 1987559778
23 7105490315
24 24379316121
25 86719101209
26 296819500851
27 1051663900480
28 3594472289644
29 12696988924724
30 43364647235536
31 152825304753761