A046781 - OEIS

A046781 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	4
11	0
12	1
13	0
14	11
15	0
16	4
17	0
18	26
19	0
20	14
21	0
22	55
23	0
24	38
25	0
26	110
27	0
28	94
29	0
30	212
31	0
32	209
33	0
34	397
35	0
36	441
37	0
38	729
39	0
40	878
41	0
42	1320
43	0
44	1685
45	0
46	2357
47	0
48	3121
49	0
50	4160
51	0
52	5633
53	0
54	7258
55	0
56	9923
57	0
58	12518
59	0
60	17153
61	0
62	21346
63	0
64	29133
65	0
66	35998
67	0
68	48766

[0,0,0,0,0,0,1,0,0,0,4,0,1,0,11,0,4,0,26,0,14,0, 55,0,38,0,110,0,94,0,212,0,209,0,397,0,441,0,729, 0,878,0,1320,0,1685,0,2357,0,3121,0,4160,0,5633,0, 7258,0,9923,0,12518,0,17153,0,21346,0,29133,0, 35998,0,48766]