A284103 - cp's OEIS frontend

A284103 a(n) = Sum_{d|n, d == 4 (mod 5)} d.

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

[0, 0, 0, 4, 0, 0, 0, 4, 9, 0, 0, 4, 0, 14, 0, 4, 0, 9, 19, 4, 0, 0, 0, 28, 0, 0, 9, 18, 29, 0, 0, 4, 0, 34, 0, 13, 0, 19, 39, 4, 0, 14, 0, 48, 9, 0, 0, 28, 49, 0, 0, 4, 0, 63, 0, 18, 19, 29, 59, 4, 0, 0, 9, 68, 0, 0, 0, 38, 69, 14, 0, 37, 0, 74, 0, 23, 0, 39, 79]

cp's OEIS Frontend

A284103 a(n) = Sum_{d|n, d == 4 (mod 5)} d.

Table of values

List of values

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

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

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