# A307128 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 15
5 40
6 103
7 266
8 683
9 1753
10 4481
11 11417
12 28993
13 73414
14 185424
15 467302
16 1175322
17 2950467
18 7393090
19 18492029
20 46173538
21 115102596
22 286482967
23 711990108
24 1767048214
25 4379814978
26 10842382074
27 26808912074
28 66212421302
29 163351562975
30 402575169429
31 991119918949