A386402 - cp's OEIS frontend

A386402 a(n) = denominator(sigma(n)*phi(n)/n^2).

n	a(n)
1	1
2	4
3	9
4	8
5	25
6	3
7	49
8	16
9	27
10	25
11	121
12	9
13	169
14	49
15	75
16	32
17	289
18	18
19	361
20	25
21	147
22	121
23	529
24	6
25	125
26	169
27	81
28	7
29	841
30	25
31	961
32	64
33	363
34	289
35	1225
36	108
37	1369
38	361
39	507
40	10
41	1681
42	49
43	1849
44	121
45	225
46	529
47	2209
48	36
49	343
50	125
51	289
52	169
53	2809
54	27
55	605
56	49
57	361
58	841
59	3481
60	75

[1, 4, 9, 8, 25, 3, 49, 16, 27, 25, 121, 9, 169, 49, 75, 32, 289, 18, 361, 25, 147, 121, 529, 6, 125, 169, 81, 7, 841, 25, 961, 64, 363, 289, 1225, 108, 1369, 361, 507, 10, 1681, 49, 1849, 121, 225, 529, 2209, 36, 343, 125, 289, 169, 2809, 27, 605, 49, 361, 841, 3481, 75]

cp's OEIS Frontend

A386402 a(n) = denominator(sigma(n)*phi(n)/n^2).

Table of values

List of values