A001878 - cp's OEIS frontend

A001878 Number of divisors of n of the form 5k+3; a(0) = 0.

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

[0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 2, 0, 0, 1, 0, 1, 2, 0, 1, 1, 1, 0, 1, 0, 1, 2, 0, 0, 2, 0, 1, 2, 1, 0, 1, 1, 0, 1, 1, 0, 3, 0, 0, 1, 1, 1, 2, 0, 2, 1, 1, 0, 1, 0, 0, 2, 1, 1, 2, 0, 1, 2, 0, 0, 3, 1, 0, 1, 1, 0, 3, 0, 1, 1, 0, 1, 2, 0, 1, 1]

cp's OEIS Frontend

A001878 Number of divisors of n of the form 5k+3; a(0) = 0.

Table of values

List of values

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

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

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