# A019169 (b-file synthesized from sequence entry)
3 0
4 1
5 3
6 4
7 11
8 30
9 51
10 113
11 305
12 639
13 1418
14 3463
15 8352
16 20344
17 50282
18 127499
19 328081
20 844151
21 2196789
22 5779470
23 15214133
24 40183798
25 106645372
26 283296505
27 753426544
28 2008037446
29 5357984493
30 14309900503
31 38268992446