A076290 - cp's OEIS frontend

A076290 Sum of the semiprime divisors of n.

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

[0, 0, 0, 4, 0, 6, 0, 4, 9, 10, 0, 10, 0, 14, 15, 4, 0, 15, 0, 14, 21, 22, 0, 10, 25, 26, 9, 18, 0, 31, 0, 4, 33, 34, 35, 19, 0, 38, 39, 14, 0, 41, 0, 26, 24, 46, 0, 10, 49, 35, 51, 30, 0, 15, 55, 18, 57, 58, 0, 35, 0, 62, 30, 4, 65, 61, 0, 38, 69, 59, 0, 19, 0, 74, 40, 42, 77, 71, 0]

cp's OEIS Frontend

A076290 Sum of the semiprime divisors of n.

Table of values

List of values

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

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

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