# A019123 (b-file synthesized from sequence entry)
3 0
4 0
5 4
6 6
7 4
8 30
9 65
10 104
11 277
12 756
13 1542
14 3615
15 9759
16 23306
17 55566
18 145499
19 370660
20 933344
21 2428144
22 6345229
23 16500325
24 43314782
25 114383765
26 302057417
27 799656246
28 2124592221
29 5652658289
30 15058739676
31 40201128401