# A019126 (b-file synthesized from sequence entry)
3 0
4 0
5 6
6 6
7 4
8 29
9 62
10 96
11 260
12 727
13 1433
14 3356
15 9050
16 21140
17 49236
18 128957
19 326370
20 811629
21 2114292
22 5545934
23 14421123
24 38017944
25 101077033
26 268425834
27 714902559
28 1911938250
29 5117689000
30 13709052945
31 36788511928