# A030015 (b-file synthesized from sequence entry)
0 1
1 3
2 8
3 21
4 54
5 137
6 342
7 837
8 2006
9 4713
10 10882
11 24771
12 55764
13 124465
14 275934
15 608283
16 1334120
17 2911871
18 6325092
19 13674121
20 29425308
21 63042233
22 134517426
23 285984131
24 606056546
25 1280778343
26 2700105566
27 5680099085
28 11925792492
29 24993841655
30 52291456452