A062785 - cp's OEIS frontend

A062785 a(n) = Chowla's function of n * sigma(n).

n	a(n)
1	0
2	0
3	0
4	14
5	0
6	60
7	0
8	90
9	39
10	126
11	0
12	420
13	0
14	216
15	192
16	434
17	0
18	780
19	0
20	882
21	320
22	468
23	0
24	2100
25	155
26	630
27	480
28	1512
29	0
30	2952
31	0
32	1890
33	672
34	1026
35	576
36	4914
37	0
38	1260
39	896
40	4410
41	0
42	5088
43	0
44	3276
45	2496
46	1800
47	0
48	9300
49	399
50	3906
51	1440
52	4410
53	0
54	7800
55	1152
56	7560
57	1760
58	2790
59	0
60	17976
61	0
62	3168
63	4160
64	7874
65	1512

[0, 0, 0, 14, 0, 60, 0, 90, 39, 126, 0, 420, 0, 216, 192, 434, 0, 780, 0, 882, 320, 468, 0, 2100, 155, 630, 480, 1512, 0, 2952, 0, 1890, 672, 1026, 576, 4914, 0, 1260, 896, 4410, 0, 5088, 0, 3276, 2496, 1800, 0, 9300, 399, 3906, 1440, 4410, 0, 7800, 1152, 7560, 1760, 2790, 0, 17976, 0, 3168, 4160, 7874, 1512]

cp's OEIS Frontend

A062785 a(n) = Chowla's function of n * sigma(n).

Table of values

List of values