A245476 - cp's OEIS frontend

A245476 Least number k > 1 such that k^n + k + 1 is prime, or 0 if no such number exists.

n	a(n)
1	2
2	2
3	2
4	2
5	0
6	2
7	2
8	0
9	3
10	3
11	0
12	2
13	5
14	0
15	2
16	2
17	0
18	2
19	8
20	0
21	6
22	3
23	0
24	6
25	15
26	0
27	6
28	2
29	0
30	2
31	23
32	0
33	23
34	56
35	0
36	15
37	114
38	0
39	14
40	11
41	0
42	3
43	14
44	0
45	29
46	110
47	0
48	21
49	9
50	0
51	53
52	59
53	0
54	6
55	2
56	0
57	3
58	29
59	0
60	71
61	21
62	0
63	146
64	17
65	0
66	35
67	2
68	0
69	9
70	6
71	0
72	77
73	41
74	0
75	27
76	176
77	0
78	153
79	21
80	0
81	39
82	32
83	0
84	2
85	314
86	0
87	3
88	5
89	0
90	66
91	44
92	0
93	234

[2, 2, 2, 2, 0, 2, 2, 0, 3, 3, 0, 2, 5, 0, 2, 2, 0, 2, 8, 0, 6, 3, 0, 6, 15, 0, 6, 2, 0, 2, 23, 0, 23, 56, 0, 15, 114, 0, 14, 11, 0, 3, 14, 0, 29, 110, 0, 21, 9, 0, 53, 59, 0, 6, 2, 0, 3, 29, 0, 71, 21, 0, 146, 17, 0, 35, 2, 0, 9, 6, 0, 77, 41, 0, 27, 176, 0, 153, 21, 0, 39, 32, 0, 2, 314, 0, 3, 5, 0, 66, 44, 0, 234]

cp's OEIS Frontend

A245476 Least number k > 1 such that k^n + k + 1 is prime, or 0 if no such number exists.

Table of values

List of values

n	a(n)
1	2
2	2
3	2
4	2
5	0
6	2
7	2
8	0
9	3
10	3
11	0
12	2
13	5
14	0
15	2
16	2
17	0
18	2
19	8
20	0
21	6
22	3
23	0
24	6
25	15
26	0
27	6
28	2
29	0
30	2
31	23
32	0
33	23
34	56
35	0
36	15
37	114
38	0
39	14
40	11
41	0
42	3
43	14
44	0
45	29
46	110
47	0
48	21
49	9
50	0
51	53
52	59
53	0
54	6
55	2
56	0
57	3
58	29
59	0
60	71
61	21
62	0
63	146
64	17
65	0
66	35
67	2
68	0
69	9
70	6
71	0
72	77
73	41
74	0
75	27
76	176
77	0
78	153
79	21
80	0
81	39
82	32
83	0
84	2
85	314
86	0
87	3
88	5
89	0
90	66
91	44
92	0
93	234

n	a(n)
1	2
2	2
3	2
4	2
5	0
6	2
7	2
8	0
9	3
10	3
11	0
12	2
13	5
14	0
15	2
16	2
17	0
18	2
19	8
20	0
21	6
22	3
23	0
24	6
25	15
26	0
27	6
28	2
29	0
30	2
31	23
32	0
33	23
34	56
35	0
36	15
37	114
38	0
39	14
40	11
41	0
42	3
43	14
44	0
45	29
46	110
47	0
48	21
49	9
50	0
51	53
52	59
53	0
54	6
55	2
56	0
57	3
58	29
59	0
60	71
61	21
62	0
63	146
64	17
65	0
66	35
67	2
68	0
69	9
70	6
71	0
72	77
73	41
74	0
75	27
76	176
77	0
78	153
79	21
80	0
81	39
82	32
83	0
84	2
85	314
86	0
87	3
88	5
89	0
90	66
91	44
92	0
93	234

n	a(n)
1	2
2	2
3	2
4	2
5	0
6	2
7	2
8	0
9	3
10	3
11	0
12	2
13	5
14	0
15	2
16	2
17	0
18	2
19	8
20	0
21	6
22	3
23	0
24	6
25	15
26	0
27	6
28	2
29	0
30	2
31	23
32	0
33	23
34	56
35	0
36	15
37	114
38	0
39	14
40	11
41	0
42	3
43	14
44	0
45	29
46	110
47	0
48	21
49	9
50	0
51	53
52	59
53	0
54	6
55	2
56	0
57	3
58	29
59	0
60	71
61	21
62	0
63	146
64	17
65	0
66	35
67	2
68	0
69	9
70	6
71	0
72	77
73	41
74	0
75	27
76	176
77	0
78	153
79	21
80	0
81	39
82	32
83	0
84	2
85	314
86	0
87	3
88	5
89	0
90	66
91	44
92	0
93	234