A325312 - cp's OEIS frontend

A325312 Odd numbers k for which sigma(k^2) == 3 (mod 4) and sigma(k^2) > 2*k^2.

n	a(n)
1	105
2	315
3	495
4	735
5	945
6	1155
7	1485
8	1995
9	2205
10	2415
11	2625
12	2835
13	2925
14	3135
15	3255
16	3315
17	3465
18	3795
19	4455
20	4515
21	4935
22	5115
23	5145
24	5445
25	5655
26	5985
27	6195
28	6615
29	6825
30	7035
31	7095
32	7245
33	7455
34	7605
35	7755
36	7875
37	8085
38	8295
39	8505
40	8715
41	8775
42	8925
43	9009
44	9405
45	9735
46	9765
47	9945
48	10395
49	10725
50	10815
51	11235
52	11385
53	11781
54	12375

[105, 315, 495, 735, 945, 1155, 1485, 1995, 2205, 2415, 2625, 2835, 2925, 3135, 3255, 3315, 3465, 3795, 4455, 4515, 4935, 5115, 5145, 5445, 5655, 5985, 6195, 6615, 6825, 7035, 7095, 7245, 7455, 7605, 7755, 7875, 8085, 8295, 8505, 8715, 8775, 8925, 9009, 9405, 9735, 9765, 9945, 10395, 10725, 10815, 11235, 11385, 11781, 12375]

cp's OEIS Frontend

A325312 Odd numbers k for which sigma(k^2) == 3 (mod 4) and sigma(k^2) > 2*k^2.

Table of values

List of values