# A019247 (b-file synthesized from sequence entry)
3 0
4 0
5 3
6 5
7 5
8 27
9 46
10 95
11 284
12 696
13 1475
14 3944
15 10194
16 24962
17 62913
18 162871
19 415963
20 1069432
21 2774893
22 7228129
23 18863793
24 49560625
25 130798904
26 346253692
27 920036094
28 2454518563
29 6566467540
30 17614395090
31 47376832674