A154666 - cp's OEIS frontend

A154666 Numbers k such that k-1, k+1, and k^2-k-1 are primes.

n	a(n)
1	4
2	6
3	12
4	42
5	60
6	102
7	150
8	192
9	282
10	420
11	432
12	462
13	570
14	660
15	810
16	882
17	1062
18	1230
19	1320
20	1872
21	1950
22	2550
23	2712
24	2730
25	3120
26	3252
27	4020
28	4092
29	6090
30	8220
31	8862
32	8970
33	9042
34	9240
35	9720
36	10140
37	10530
38	10710
39	11550
40	11832
41	11970
42	12252
43	13680
44	13902

[4, 6, 12, 42, 60, 102, 150, 192, 282, 420, 432, 462, 570, 660, 810, 882, 1062, 1230, 1320, 1872, 1950, 2550, 2712, 2730, 3120, 3252, 4020, 4092, 6090, 8220, 8862, 8970, 9042, 9240, 9720, 10140, 10530, 10710, 11550, 11832, 11970, 12252, 13680, 13902]

cp's OEIS Frontend

A154666 Numbers k such that k-1, k+1, and k^2-k-1 are primes.

Table of values

List of values