A280490 - cp's OEIS frontend

A280490 a(n) = n / A280491(n) = n / gcd(n,A122111(n)).

n	a(n)
1	1
2	1
3	3
4	4
5	5
6	1
7	7
8	8
9	1
10	5
11	11
12	6
13	13
14	7
15	5
16	16
17	17
18	6
19	19
20	1
21	7
22	11
23	23
24	12
25	25
26	13
27	27
28	7
29	29
30	1
31	31
32	32
33	11
34	17
35	35
36	12
37	37
38	19
39	13
40	10
41	41
42	7
43	43
44	11
45	9
46	23
47	47
48	24
49	49
50	10
51	17
52	13
53	53
54	54
55	55
56	1
57	19
58	29
59	59
60	10
61	61
62	31
63	63
64	64
65	65
66	11
67	67
68	17
69	23
70	7
71	71
72	24
73	73
74	37
75	1
76	19
77	77
78	13
79	79
80	20
81	81
82	41
83	83
84	1
85	85
86	43
87	29
88	11
89	89
90	9
91	91
92	23
93	31
94	47
95	95
96	48
97	97

[1, 1, 3, 4, 5, 1, 7, 8, 1, 5, 11, 6, 13, 7, 5, 16, 17, 6, 19, 1, 7, 11, 23, 12, 25, 13, 27, 7, 29, 1, 31, 32, 11, 17, 35, 12, 37, 19, 13, 10, 41, 7, 43, 11, 9, 23, 47, 24, 49, 10, 17, 13, 53, 54, 55, 1, 19, 29, 59, 10, 61, 31, 63, 64, 65, 11, 67, 17, 23, 7, 71, 24, 73, 37, 1, 19, 77, 13, 79, 20, 81, 41, 83, 1, 85, 43, 29, 11, 89, 9, 91, 23, 31, 47, 95, 48, 97]

cp's OEIS Frontend

A280490 a(n) = n / A280491(n) = n / gcd(n,A122111(n)).

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	4
5	5
6	1
7	7
8	8
9	1
10	5
11	11
12	6
13	13
14	7
15	5
16	16
17	17
18	6
19	19
20	1
21	7
22	11
23	23
24	12
25	25
26	13
27	27
28	7
29	29
30	1
31	31
32	32
33	11
34	17
35	35
36	12
37	37
38	19
39	13
40	10
41	41
42	7
43	43
44	11
45	9
46	23
47	47
48	24
49	49
50	10
51	17
52	13
53	53
54	54
55	55
56	1
57	19
58	29
59	59
60	10
61	61
62	31
63	63
64	64
65	65
66	11
67	67
68	17
69	23
70	7
71	71
72	24
73	73
74	37
75	1
76	19
77	77
78	13
79	79
80	20
81	81
82	41
83	83
84	1
85	85
86	43
87	29
88	11
89	89
90	9
91	91
92	23
93	31
94	47
95	95
96	48
97	97

n	a(n)
1	1
2	1
3	3
4	4
5	5
6	1
7	7
8	8
9	1
10	5
11	11
12	6
13	13
14	7
15	5
16	16
17	17
18	6
19	19
20	1
21	7
22	11
23	23
24	12
25	25
26	13
27	27
28	7
29	29
30	1
31	31
32	32
33	11
34	17
35	35
36	12
37	37
38	19
39	13
40	10
41	41
42	7
43	43
44	11
45	9
46	23
47	47
48	24
49	49
50	10
51	17
52	13
53	53
54	54
55	55
56	1
57	19
58	29
59	59
60	10
61	61
62	31
63	63
64	64
65	65
66	11
67	67
68	17
69	23
70	7
71	71
72	24
73	73
74	37
75	1
76	19
77	77
78	13
79	79
80	20
81	81
82	41
83	83
84	1
85	85
86	43
87	29
88	11
89	89
90	9
91	91
92	23
93	31
94	47
95	95
96	48
97	97

n	a(n)
1	1
2	1
3	3
4	4
5	5
6	1
7	7
8	8
9	1
10	5
11	11
12	6
13	13
14	7
15	5
16	16
17	17
18	6
19	19
20	1
21	7
22	11
23	23
24	12
25	25
26	13
27	27
28	7
29	29
30	1
31	31
32	32
33	11
34	17
35	35
36	12
37	37
38	19
39	13
40	10
41	41
42	7
43	43
44	11
45	9
46	23
47	47
48	24
49	49
50	10
51	17
52	13
53	53
54	54
55	55
56	1
57	19
58	29
59	59
60	10
61	61
62	31
63	63
64	64
65	65
66	11
67	67
68	17
69	23
70	7
71	71
72	24
73	73
74	37
75	1
76	19
77	77
78	13
79	79
80	20
81	81
82	41
83	83
84	1
85	85
86	43
87	29
88	11
89	89
90	9
91	91
92	23
93	31
94	47
95	95
96	48
97	97