# A019235 (b-file synthesized from sequence entry)
3 0
4 0
5 3
6 3
7 6
8 24
9 44
10 77
11 235
12 620
13 1321
14 3238
15 8791
16 21178
17 52662
18 140814
19 362458
20 927614
21 2437267
22 6376348
23 16629349
24 43733016
25 115226994
26 303620616
27 802665619
28 2127803992
29 5649706174
30 15031089644
31 40077352795