# A019164 (b-file synthesized from sequence entry)
3 0
4 0
5 6
6 3
7 3
8 36
9 55
10 88
11 293
12 622
13 1275
14 3321
15 8111
16 19719
17 50176
18 127767
19 330678
20 860375
21 2243544
22 5920336
23 15645065
24 41326177
25 109675127
26 291443985
27 774395373
28 2061553580
29 5495695788
30 14661522117
31 39166097080