A120432 - cp's OEIS frontend

A120432 Numbers n such that n-1 and n+1 are prime powers.

n	a(n)
1	2
2	3
3	4
4	6
5	8
6	10
7	12
8	18
9	24
10	26
11	28
12	30
13	42
14	48
15	60
16	72
17	80
18	82
19	102
20	108
21	126
22	138
23	150
24	168
25	180
26	192
27	198
28	228
29	240
30	242
31	270
32	282
33	312
34	348
35	360
36	420
37	432
38	462
39	522
40	570
41	600
42	618
43	642
44	660
45	728
46	810
47	822
48	828
49	840
50	858
51	882
52	1020
53	1032
54	1050
55	1062
56	1092

[2, 3, 4, 6, 8, 10, 12, 18, 24, 26, 28, 30, 42, 48, 60, 72, 80, 82, 102, 108, 126, 138, 150, 168, 180, 192, 198, 228, 240, 242, 270, 282, 312, 348, 360, 420, 432, 462, 522, 570, 600, 618, 642, 660, 728, 810, 822, 828, 840, 858, 882, 1020, 1032, 1050, 1062, 1092]

cp's OEIS Frontend

A120432 Numbers n such that n-1 and n+1 are prime powers.

Table of values

List of values