A268336 - cp's OEIS frontend

A268336 a(n) = A174824(n)/n, where A174824(n) = lcm(A002322(n), n) and A002322(n) is the Carmichael lambda function (also known as the reduced totient function or the universal exponent of n).

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

[1, 1, 2, 1, 4, 1, 6, 1, 2, 2, 10, 1, 12, 3, 4, 1, 16, 1, 18, 1, 2, 5, 22, 1, 4, 6, 2, 3, 28, 2, 30, 1, 10, 8, 12, 1, 36, 9, 4, 1, 40, 1, 42, 5, 4, 11, 46, 1, 6, 2, 16, 3, 52, 1, 4, 3, 6, 14, 58, 1, 60, 15, 2, 1, 12, 5, 66, 4, 22, 6, 70, 1, 72, 18, 4, 9, 30, 2, 78, 1, 2]

cp's OEIS Frontend

A268336 a(n) = A174824(n)/n, where A174824(n) = lcm(A002322(n), n) and A002322(n) is the Carmichael lambda function (also known as the reduced totient function or the universal exponent of n).

Table of values

List of values

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

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

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