# A019262 (b-file synthesized from sequence entry)
3 1
4 1
5 0
6 1
7 5
8 14
9 29
10 58
11 127
12 302
13 822
14 2247
15 5672
16 13791
17 33072
18 78645
19 190220
20 473207
21 1193723
22 3025903
23 7709161
24 19692253
25 50285163
26 128449374
27 328618470
28 842176063
29 2162960783
30 5569492484
31 14375282496
32 37179022755