# A019112 (b-file synthesized from sequence entry)
3 0
4 2
5 2
6 1
7 12
8 21
9 48
10 137
11 250
12 605
13 1554
14 3342
15 8332
16 21594
17 51502
18 131328
19 341762
20 864538
21 2246856
22 5900130
23 15369316
24 40494237
25 107292346
26 283725243
27 753791484
28 2008956063
29 5355256010
30 14308720447
31 38309123306