A160973 - cp's OEIS frontend

A160973 a(n) is the number of positive integers of the form (n-3k)/(2k+1), 1 <= k <= (n-1)/5.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	1
10	0
11	1
12	1
13	0
14	0
15	1
16	2
17	0
18	1
19	0
20	0
21	3
22	0
23	1
24	1
25	0
26	2
27	1
28	0
29	0
30	3
31	2
32	0
33	1
34	0
35	0
36	3
37	2
38	0
39	2
40	0
41	2
42	1
43	0
44	2
45	1
46	2
47	0
48	3
49	0
50	0
51	5
52	0
53	0
54	1
55	0
56	2
57	3
58	2
59	1
60	1
61	2
62	0
63	1
64	0
65	2
66	5
67	0
68	0
69	1
70	2
71	2
72	3
73	0
74	0
75	3
76	2
77	0
78	1
79	2
80	0
81	5
82	0
83	1
84	3
85	0
86	4
87	1
88	0
89	0
90	1

[0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 2, 0, 1, 0, 0, 3, 0, 1, 1, 0, 2, 1, 0, 0, 3, 2, 0, 1, 0, 0, 3, 2, 0, 2, 0, 2, 1, 0, 2, 1, 2, 0, 3, 0, 0, 5, 0, 0, 1, 0, 2, 3, 2, 1, 1, 2, 0, 1, 0, 2, 5, 0, 0, 1, 2, 2, 3, 0, 0, 3, 2, 0, 1, 2, 0, 5, 0, 1, 3, 0, 4, 1, 0, 0, 1]

cp's OEIS Frontend

A160973 a(n) is the number of positive integers of the form (n-3k)/(2k+1), 1 <= k <= (n-1)/5.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	1
10	0
11	1
12	1
13	0
14	0
15	1
16	2
17	0
18	1
19	0
20	0
21	3
22	0
23	1
24	1
25	0
26	2
27	1
28	0
29	0
30	3
31	2
32	0
33	1
34	0
35	0
36	3
37	2
38	0
39	2
40	0
41	2
42	1
43	0
44	2
45	1
46	2
47	0
48	3
49	0
50	0
51	5
52	0
53	0
54	1
55	0
56	2
57	3
58	2
59	1
60	1
61	2
62	0
63	1
64	0
65	2
66	5
67	0
68	0
69	1
70	2
71	2
72	3
73	0
74	0
75	3
76	2
77	0
78	1
79	2
80	0
81	5
82	0
83	1
84	3
85	0
86	4
87	1
88	0
89	0
90	1

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	1
10	0
11	1
12	1
13	0
14	0
15	1
16	2
17	0
18	1
19	0
20	0
21	3
22	0
23	1
24	1
25	0
26	2
27	1
28	0
29	0
30	3
31	2
32	0
33	1
34	0
35	0
36	3
37	2
38	0
39	2
40	0
41	2
42	1
43	0
44	2
45	1
46	2
47	0
48	3
49	0
50	0
51	5
52	0
53	0
54	1
55	0
56	2
57	3
58	2
59	1
60	1
61	2
62	0
63	1
64	0
65	2
66	5
67	0
68	0
69	1
70	2
71	2
72	3
73	0
74	0
75	3
76	2
77	0
78	1
79	2
80	0
81	5
82	0
83	1
84	3
85	0
86	4
87	1
88	0
89	0
90	1

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	1
10	0
11	1
12	1
13	0
14	0
15	1
16	2
17	0
18	1
19	0
20	0
21	3
22	0
23	1
24	1
25	0
26	2
27	1
28	0
29	0
30	3
31	2
32	0
33	1
34	0
35	0
36	3
37	2
38	0
39	2
40	0
41	2
42	1
43	0
44	2
45	1
46	2
47	0
48	3
49	0
50	0
51	5
52	0
53	0
54	1
55	0
56	2
57	3
58	2
59	1
60	1
61	2
62	0
63	1
64	0
65	2
66	5
67	0
68	0
69	1
70	2
71	2
72	3
73	0
74	0
75	3
76	2
77	0
78	1
79	2
80	0
81	5
82	0
83	1
84	3
85	0
86	4
87	1
88	0
89	0
90	1