# A019165 (b-file synthesized from sequence entry)
3 0
4 0
5 6
6 3
7 4
8 37
9 53
10 89
11 304
12 631
13 1301
14 3416
15 8214
16 19870
17 50583
18 127920
19 329503
20 856622
21 2228703
22 5872003
23 15520033
24 41008858
25 108905708
26 289710574
27 770589748
28 2053491724
29 5479166031
30 14627452543
31 39094798423