A386401 - cp's OEIS frontend

A386401 a(n) = numerator(sigma(n)*phi(n)/n^2).

n	a(n)
1	1
2	3
3	8
4	7
5	24
6	2
7	48
8	15
9	26
10	18
11	120
12	7
13	168
14	36
15	64
16	31
17	288
18	13
19	360
20	21
21	128
22	90
23	528
24	5
25	124
26	126
27	80
28	6
29	840
30	16
31	960
32	63
33	320
34	216
35	1152
36	91
37	1368
38	270
39	448
40	9
41	1680
42	32
43	1848
44	105
45	208
46	396
47	2208
48	31
49	342
50	93
51	256
52	147
53	2808
54	20
55	576
56	45
57	320
58	630
59	3480
60	56

[1, 3, 8, 7, 24, 2, 48, 15, 26, 18, 120, 7, 168, 36, 64, 31, 288, 13, 360, 21, 128, 90, 528, 5, 124, 126, 80, 6, 840, 16, 960, 63, 320, 216, 1152, 91, 1368, 270, 448, 9, 1680, 32, 1848, 105, 208, 396, 2208, 31, 342, 93, 256, 147, 2808, 20, 576, 45, 320, 630, 3480, 56]

cp's OEIS Frontend

A386401 a(n) = numerator(sigma(n)*phi(n)/n^2).

Table of values

List of values