A249485 - cp's OEIS frontend

A249485 Numbers n such that sigma(n) - 2 is prime.

n	a(n)
1	3
2	4
3	8
4	9
5	16
6	18
7	25
8	32
9	36
10	72
11	121
12	144
13	169
14	196
15	200
16	225
17	242
18	256
19	338
20	361
21	392
22	441
23	484
24	512
25	578
26	676
27	729
28	800
29	882
30	900
31	961
32	968
33	1058
34	1152
35	1250
36	1521
37	1681
38	1800
39	2048
40	2312
41	2592
42	2601
43	2738
44	2809
45	2916
46	3136
47	3249
48	3362
49	3481
50	3528
51	3600

[3, 4, 8, 9, 16, 18, 25, 32, 36, 72, 121, 144, 169, 196, 200, 225, 242, 256, 338, 361, 392, 441, 484, 512, 578, 676, 729, 800, 882, 900, 961, 968, 1058, 1152, 1250, 1521, 1681, 1800, 2048, 2312, 2592, 2601, 2738, 2809, 2916, 3136, 3249, 3362, 3481, 3528, 3600]

cp's OEIS Frontend

A249485 Numbers n such that sigma(n) - 2 is prime.

Table of values

List of values