A348939 - cp's OEIS frontend

A348939 Odd numbers k for which A064989(sigma(k)) > A064989(k), and which are of the form p^(1+4k) * r^2, where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1.

n	a(n)
1	45
2	117
3	325
4	333
5	405
6	549
7	605
8	657
9	925
10	1053
11	1413
12	1445
13	1525
14	1737
15	1825
16	2205
17	2493
18	2817
19	2825
20	2925
21	2997
22	3033
23	3573
24	3645
25	3789
26	3825
27	3925
28	4113
29	4825
30	4869
31	4941
32	5445
33	5517
34	5733
35	5913
36	5949
37	6057
38	6425
39	6525
40	6597
41	6813
42	6925
43	7025
44	7497
45	7605
46	7825
47	7893
48	8125
49	8325
50	8425
51	8973
52	9225
53	9477
54	9837
55	9925

[45, 117, 325, 333, 405, 549, 605, 657, 925, 1053, 1413, 1445, 1525, 1737, 1825, 2205, 2493, 2817, 2825, 2925, 2997, 3033, 3573, 3645, 3789, 3825, 3925, 4113, 4825, 4869, 4941, 5445, 5517, 5733, 5913, 5949, 6057, 6425, 6525, 6597, 6813, 6925, 7025, 7497, 7605, 7825, 7893, 8125, 8325, 8425, 8973, 9225, 9477, 9837, 9925]

cp's OEIS Frontend

A348939 Odd numbers k for which A064989(sigma(k)) > A064989(k), and which are of the form p^(1+4k) * r^2, where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1.

Table of values

List of values