# A019153 (b-file synthesized from sequence entry)
3 0
4 1
5 3
6 3
7 10
8 27
9 46
10 111
11 279
12 588
13 1368
14 3412
15 8210
16 20198
17 51439
18 129724
19 328440
20 854789
21 2219424
22 5748249
23 15121267
24 39902640
25 105142483
26 278867539
27 741915191
28 1973720838
29 5263732942
30 14063112154
31 37590045102