A085099 - cp's OEIS frontend

A085099 Least natural number k such that k^2 + n is prime.

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

[1, 1, 2, 1, 6, 1, 2, 3, 2, 1, 6, 1, 2, 3, 2, 1, 6, 1, 2, 3, 4, 1, 6, 7, 2, 9, 2, 1, 12, 1, 4, 3, 2, 3, 6, 1, 2, 3, 2, 1, 24, 1, 2, 3, 4, 1, 6, 5, 2, 3, 4, 1, 6, 5, 2, 9, 2, 1, 18, 1, 6, 3, 2, 3, 6, 1, 2, 9, 2, 1, 6, 1, 4, 3, 2, 5, 6, 1, 2, 3, 4, 1, 12, 5, 2]

cp's OEIS Frontend

A085099 Least natural number k such that k^2 + n is prime.

Table of values

List of values

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

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

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