A266691 - OEIS

A266691 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	2
9	0
10	3
11	2
12	5
13	4
14	10
15	9
16	17
17	20
18	25
19	31
20	47
21	53
22	71
23	89
24	109
25	138
26	171
27	205
28	257
29	317
30	375
31	461
32	557
33	664
34	792
35	962
36	1124
37	1352
38	1596
39	1878
40	2215
41	2621
42	3042
43	3584
44	4180
45	4862
46	5658
47	6593
48	7598
49	8826
50	10190
51	11730
52	13516
53	15562
54	17811

[0,0,0,0,0,0,0,0,2,0,3,2,5,4,10,9,17,20,25,31,47, 53,71,89,109,138,171,205,257,317,375,461,557,664, 792,962,1124,1352,1596,1878,2215,2621,3042,3584, 4180,4862,5658,6593,7598,8826,10190,11730,13516, 15562,17811]