A193066 - cp's OEIS frontend

A193066 Odd numbers N such that numerator(sigma(N^2)/N^2) is a prime.

n	a(n)
1	3
2	5
3	17
4	27
5	39
6	41
7	49
8	59
9	71
10	89
11	101
12	125
13	131
14	167
15	169
16	173
17	289
18	293
19	383
20	507
21	529
22	677
23	701
24	729
25	743
26	761
27	773
28	827
29	839
30	841
31	857
32	911
33	1091
34	1097
35	1163
36	1181
37	1193
38	1217
39	1373
40	1427
41	1487

[3, 5, 17, 27, 39, 41, 49, 59, 71, 89, 101, 125, 131, 167, 169, 173, 289, 293, 383, 507, 529, 677, 701, 729, 743, 761, 773, 827, 839, 841, 857, 911, 1091, 1097, 1163, 1181, 1193, 1217, 1373, 1427, 1487]

cp's OEIS Frontend

A193066 Odd numbers N such that numerator(sigma(N^2)/N^2) is a prime.

Table of values

List of values