A163407 - cp's OEIS frontend

A163407 Sum of semiprime divisors of n with repetition.

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

[0, 0, 0, 4, 0, 6, 0, 12, 9, 10, 0, 16, 0, 14, 15, 24, 0, 21, 0, 24, 21, 22, 0, 30, 25, 26, 27, 32, 0, 31, 0, 40, 33, 34, 35, 37, 0, 38, 39, 42, 0, 41, 0, 48, 39, 46, 0, 48, 49, 45, 51, 56, 0, 45, 55, 54, 57, 58, 0, 51, 0, 62, 51, 60, 65, 61, 0, 72, 69, 59, 0, 57, 0, 74, 55, 80, 77, 71, 0]

cp's OEIS Frontend

A163407 Sum of semiprime divisors of n with repetition.

Table of values

List of values

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

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

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