A322966 - cp's OEIS frontend

A322966 Denominator of Sum_{d | n} 1/rad(d) where rad = A007947.

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

[1, 2, 3, 1, 5, 1, 7, 2, 3, 5, 11, 3, 13, 7, 5, 1, 17, 2, 19, 5, 21, 11, 23, 3, 5, 13, 1, 7, 29, 5, 31, 2, 11, 17, 35, 3, 37, 19, 39, 1, 41, 7, 43, 11, 1, 23, 47, 1, 7, 10, 17, 13, 53, 1, 55, 7, 57, 29, 59, 5, 61, 31, 21, 1, 65, 11, 67, 17, 23, 35, 71, 6, 73, 37, 15, 19, 77, 13, 79, 5]

cp's OEIS Frontend

A322966 Denominator of Sum_{d | n} 1/rad(d) where rad = A007947.

Table of values

List of values

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

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

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