A001877 - cp's OEIS frontend

A001877 Number of divisors of n of the form 5k+2; a(0) = 0.

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

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

cp's OEIS Frontend

A001877 Number of divisors of n of the form 5k+2; a(0) = 0.

Table of values

List of values

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

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

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