# A019162 (b-file synthesized from sequence entry)
3 0
4 0
5 5
6 5
7 5
8 28
9 54
10 102
11 287
12 630
13 1409
14 3506
15 8420
16 20697
17 51821
18 130825
19 337997
20 872356
21 2260185
22 5945295
23 15659744
24 41266655
25 109421291
26 290699216
27 772587608
28 2058208309
29 5491874491
30 14665358128
31 39213733667