# A019129 (b-file synthesized from sequence entry)
3 0
4 1
5 5
6 4
7 7
8 28
9 56
10 88
11 273
12 704
13 1404
14 3306
15 8909
16 20480
17 48398
18 127006
19 319884
20 798692
21 2086829
22 5463093
23 14217823
24 37523124
25 99719864
26 264753849
27 705230927
28 1885628860
29 5045425984
30 13512836428
31 36254450471