# A019076 (b-file synthesized from sequence entry)
3 0
4 0
5 2
6 6
7 6
8 16
9 34
10 92
11 256
12 576
13 1374
14 3594
15 9776
16 24120
17 60318
18 158240
19 417258
20 1073864
21 2808084
22 7437688
23 19653510
24 52051176
25 138619116
26 369852718
27 989005920
28 2652718066
29 7128563698
30 19191807302