# A019265 (b-file synthesized from sequence entry)
3 0
4 2
5 2
6 0
7 10
8 12
9 24
10 92
11 192
12 520
13 1332
14 3140
15 7972
16 20154
17 50748
18 130860
19 335402
20 866865
21 2249753
22 5853864
23 15304021
24 40137553
25 105683640
26 279077974
27 738710148
28 1960352325
29 5211885181
30 13884679308
31 37062272542