# A019133 (b-file synthesized from sequence entry)
3 0
4 0
5 6
6 6
7 3
8 28
9 54
10 86
11 263
12 604
13 1338
14 3528
15 8671
16 21107
17 53984
18 137416
19 348568
20 895984
21 2323913
22 6043031
23 15773574
24 41436570
25 109186142
26 288194415
27 763449248
28 2027472942
29 5391940213
30 14372719078
31 38390285566