A309696 - cp's OEIS frontend

A309696 Numbers m such that the numerator of Sum_{k=1..m, gcd(k,m) = 1} 1/k^2 is divisible by m^2.

n	a(n)
1	1
2	39
3	42
4	78
5	155
6	156
7	266
8	310
9	465
10	546
11	620
12	793
13	798
14	930
15	1092
16	1586
17	1596
18	1638
19	1860
20	2170
21	2184
22	2379
23	2394
24	3172
25	3276
26	3720
27	3965
28	4340
29	4758
30	4788
31	4914
32	5219
33	6045
34	6344
35	6510
36	6552
37	7137
38	7182
39	7930
40	8680
41	9516
42	9828
43	10374
44	10438
45	11102
46	11895
47	12090
48	13020
49	14274
50	14364
51	15657
52	15860
53	16843
54	16891
55	18135

[1, 39, 42, 78, 155, 156, 266, 310, 465, 546, 620, 793, 798, 930, 1092, 1586, 1596, 1638, 1860, 2170, 2184, 2379, 2394, 3172, 3276, 3720, 3965, 4340, 4758, 4788, 4914, 5219, 6045, 6344, 6510, 6552, 7137, 7182, 7930, 8680, 9516, 9828, 10374, 10438, 11102, 11895, 12090, 13020, 14274, 14364, 15657, 15860, 16843, 16891, 18135]

cp's OEIS Frontend

A309696 Numbers m such that the numerator of Sum_{k=1..m, gcd(k,m) = 1} 1/k^2 is divisible by m^2.

Table of values

List of values