A219117 - cp's OEIS frontend

A219117 Numbers n such that n^1+n+1, n^2+n+1, n^3+n+1 and n^4+n+1 are all prime.

n	a(n)
1	1
2	2
3	5
4	6
5	69
6	131
7	426
8	1665
9	2129
10	2696
11	5250
12	7929
13	9689
14	13545
15	14154
16	14286
17	16434
18	19760
19	25739
20	27809
21	29631
22	36821
23	41819
24	46619
25	48321
26	59030
27	60500
28	61955
29	62321
30	73610
31	77685
32	79646
33	80535
34	82655
35	85251
36	86996
37	91014
38	96566
39	97739
40	105939
41	108240

[1, 2, 5, 6, 69, 131, 426, 1665, 2129, 2696, 5250, 7929, 9689, 13545, 14154, 14286, 16434, 19760, 25739, 27809, 29631, 36821, 41819, 46619, 48321, 59030, 60500, 61955, 62321, 73610, 77685, 79646, 80535, 82655, 85251, 86996, 91014, 96566, 97739, 105939, 108240]

cp's OEIS Frontend

A219117 Numbers n such that n^1+n+1, n^2+n+1, n^3+n+1 and n^4+n+1 are all prime.

Table of values

List of values