A221321 - OEIS

A221321 as a simple table

n	a(n)
1	1
2	1
3	0
4	1
5	0
6	0
7	1
8	2
9	3
10	0
11	1
12	2
13	6
14	8
15	0
16	1
17	2
18	7
19	8
20	5
21	0
22	1
23	2
24	7
25	14
26	19
27	0
28	0
29	1
30	2
31	7
32	14
33	28
34	44
35	28
36	0
37	1
38	2
39	7
40	14
41	30
42	66
43	84
44	72
45	0
46	1
47	2
48	7
49	14
50	30
51	76
52	168
53	212
54	45
55	0
56	1
57	2
58	7
59	14
60	30
61	76
62	185
63	378
64	474
65	0
66	0
67	1
68	2
69	7
70	14
71	30
72	76
73	188
74	430
75	866
76	1008
77	286
78	0
79	1
80	2
81	7
82	14
83	30
84	76

[1,1,0,1,0,0,1,2,3,0,1,2,6,8,0,1,2,7,8,5,0,1,2,7, 14,19,0,0,1,2,7,14,28,44,28,0,1,2,7,14,30,66,84, 72,0,1,2,7,14,30,76,168,212,45,0,1,2,7,14,30,76, 185,378,474,0,0,1,2,7,14,30,76,188,430,866,1008, 286,0,1,2,7,14,30,76]