# A084356 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 0
5 1
6 5
7 16
8 50
9 137
10 377
11 995
12 2617
13 6785
14 17630
15 45646
16 118595
17 308645
18 806617
19 2115455
20 5572438
21 14737430
22 39139779
23 104354064
24 279293860
25 750182992
26 2021884234
27 5466813137
28 14826008106
29 40322237818
30 109957234707