# A019212 (b-file synthesized from sequence entry)
3 0
4 0
5 5
6 3
7 5
8 28
9 57
10 90
11 241
12 684
13 1391
14 3368
15 9387
16 22377
17 55330
18 147531
19 379551
20 976967
21 2572030
22 6776369
23 17834031
24 47207259
25 125487309
26 333813100
27 889652401
28 2378119544
29 6367722606
30 17075640443
31 45881515131