A225770 - cp's OEIS frontend

A225770 Least k > 0 such that k^8 + n is prime, or 0 if there is no such k.

n	a(n)
0	0
1	1
2	1
3	4
4	1
5	12
6	1
7	2
8	3
9	110
10	1
11	6
12	1
13	2
14	195
15	2
16	1
17	6
18	1
19	40
20	3
21	2
22	1
23	66
24	25
25	2
26	9
27	2
28	1
29	180
30	1
31	22
32	15
33	58
34	25
35	408
36	1
37	2
38	3
39	10
40	1
41	12
42	1
43	4
44	465
45	4
46	1
47	12
48	5
49	10
50	147
51	2
52	1
53	6
54	35
55	2
56	45
57	2
58	1
59	570
60	1
61	2
62	21
63	4
64	0
65	6
66	1
67	6
68	9
69	100
70	1

[0, 1, 1, 4, 1, 12, 1, 2, 3, 110, 1, 6, 1, 2, 195, 2, 1, 6, 1, 40, 3, 2, 1, 66, 25, 2, 9, 2, 1, 180, 1, 22, 15, 58, 25, 408, 1, 2, 3, 10, 1, 12, 1, 4, 465, 4, 1, 12, 5, 10, 147, 2, 1, 6, 35, 2, 45, 2, 1, 570, 1, 2, 21, 4, 0, 6, 1, 6, 9, 100, 1]

cp's OEIS Frontend

A225770 Least k > 0 such that k^8 + n is prime, or 0 if there is no such k.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	4
4	1
5	12
6	1
7	2
8	3
9	110
10	1
11	6
12	1
13	2
14	195
15	2
16	1
17	6
18	1
19	40
20	3
21	2
22	1
23	66
24	25
25	2
26	9
27	2
28	1
29	180
30	1
31	22
32	15
33	58
34	25
35	408
36	1
37	2
38	3
39	10
40	1
41	12
42	1
43	4
44	465
45	4
46	1
47	12
48	5
49	10
50	147
51	2
52	1
53	6
54	35
55	2
56	45
57	2
58	1
59	570
60	1
61	2
62	21
63	4
64	0
65	6
66	1
67	6
68	9
69	100
70	1

n	a(n)
0	0
1	1
2	1
3	4
4	1
5	12
6	1
7	2
8	3
9	110
10	1
11	6
12	1
13	2
14	195
15	2
16	1
17	6
18	1
19	40
20	3
21	2
22	1
23	66
24	25
25	2
26	9
27	2
28	1
29	180
30	1
31	22
32	15
33	58
34	25
35	408
36	1
37	2
38	3
39	10
40	1
41	12
42	1
43	4
44	465
45	4
46	1
47	12
48	5
49	10
50	147
51	2
52	1
53	6
54	35
55	2
56	45
57	2
58	1
59	570
60	1
61	2
62	21
63	4
64	0
65	6
66	1
67	6
68	9
69	100
70	1

n	a(n)
0	0
1	1
2	1
3	4
4	1
5	12
6	1
7	2
8	3
9	110
10	1
11	6
12	1
13	2
14	195
15	2
16	1
17	6
18	1
19	40
20	3
21	2
22	1
23	66
24	25
25	2
26	9
27	2
28	1
29	180
30	1
31	22
32	15
33	58
34	25
35	408
36	1
37	2
38	3
39	10
40	1
41	12
42	1
43	4
44	465
45	4
46	1
47	12
48	5
49	10
50	147
51	2
52	1
53	6
54	35
55	2
56	45
57	2
58	1
59	570
60	1
61	2
62	21
63	4
64	0
65	6
66	1
67	6
68	9
69	100
70	1