A318492 - cp's OEIS frontend

A318492 a(n) is the denominator of Sum_{d|n} Sum_{j|d} 1/j.

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

[1, 2, 3, 4, 5, 6, 7, 8, 9, 2, 11, 12, 13, 14, 15, 16, 17, 9, 19, 20, 1, 22, 23, 24, 25, 26, 27, 28, 29, 6, 31, 32, 33, 34, 7, 18, 37, 38, 13, 40, 41, 2, 43, 44, 45, 46, 47, 16, 49, 5, 51, 52, 53, 27, 5, 8, 19, 58, 59, 60, 61, 62, 21, 64, 65, 66, 67, 4, 69, 14, 71, 36, 73, 74, 75]

cp's OEIS Frontend

A318492 a(n) is the denominator of Sum_{d|n} Sum_{j|d} 1/j.

Table of values

List of values

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

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

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