A035092 - cp's OEIS frontend

A035092 Smallest k such that (n^2)*k + 1 is prime.

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	1
7	4
8	3
9	2
10	1
11	6
12	3
13	4
14	1
15	8
16	1
17	12
18	4
19	30
20	1
21	2
22	3
23	24
24	1
25	18
26	1
27	2
28	4
29	12
30	2
31	16
32	12
33	2
34	3
35	6
36	1
37	4
38	13
39	6
40	1
41	10
42	2
43	12
44	6
45	2
46	6
47	4
48	8
49	6
50	9
51	6
52	9
53	28
54	1
55	4
56	1
57	10
58	3
59	6
60	4
61	46
62	4
63	4
64	3
65	4
66	1
67	4
68	3
69	22
70	6
71	10
72	2
73	4
74	1
75	2
76	7
77	22
78	3
79	6
80	4
81	6
82	3
83	10
84	1
85	4
86	3
87	2
88	4
89	6
90	1
91	10
92	4
93	2
94	1

[1, 1, 2, 1, 4, 1, 4, 3, 2, 1, 6, 3, 4, 1, 8, 1, 12, 4, 30, 1, 2, 3, 24, 1, 18, 1, 2, 4, 12, 2, 16, 12, 2, 3, 6, 1, 4, 13, 6, 1, 10, 2, 12, 6, 2, 6, 4, 8, 6, 9, 6, 9, 28, 1, 4, 1, 10, 3, 6, 4, 46, 4, 4, 3, 4, 1, 4, 3, 22, 6, 10, 2, 4, 1, 2, 7, 22, 3, 6, 4, 6, 3, 10, 1, 4, 3, 2, 4, 6, 1, 10, 4, 2, 1]

cp's OEIS Frontend

A035092 Smallest k such that (n^2)*k + 1 is prime.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	1
7	4
8	3
9	2
10	1
11	6
12	3
13	4
14	1
15	8
16	1
17	12
18	4
19	30
20	1
21	2
22	3
23	24
24	1
25	18
26	1
27	2
28	4
29	12
30	2
31	16
32	12
33	2
34	3
35	6
36	1
37	4
38	13
39	6
40	1
41	10
42	2
43	12
44	6
45	2
46	6
47	4
48	8
49	6
50	9
51	6
52	9
53	28
54	1
55	4
56	1
57	10
58	3
59	6
60	4
61	46
62	4
63	4
64	3
65	4
66	1
67	4
68	3
69	22
70	6
71	10
72	2
73	4
74	1
75	2
76	7
77	22
78	3
79	6
80	4
81	6
82	3
83	10
84	1
85	4
86	3
87	2
88	4
89	6
90	1
91	10
92	4
93	2
94	1

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	1
7	4
8	3
9	2
10	1
11	6
12	3
13	4
14	1
15	8
16	1
17	12
18	4
19	30
20	1
21	2
22	3
23	24
24	1
25	18
26	1
27	2
28	4
29	12
30	2
31	16
32	12
33	2
34	3
35	6
36	1
37	4
38	13
39	6
40	1
41	10
42	2
43	12
44	6
45	2
46	6
47	4
48	8
49	6
50	9
51	6
52	9
53	28
54	1
55	4
56	1
57	10
58	3
59	6
60	4
61	46
62	4
63	4
64	3
65	4
66	1
67	4
68	3
69	22
70	6
71	10
72	2
73	4
74	1
75	2
76	7
77	22
78	3
79	6
80	4
81	6
82	3
83	10
84	1
85	4
86	3
87	2
88	4
89	6
90	1
91	10
92	4
93	2
94	1

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	1
7	4
8	3
9	2
10	1
11	6
12	3
13	4
14	1
15	8
16	1
17	12
18	4
19	30
20	1
21	2
22	3
23	24
24	1
25	18
26	1
27	2
28	4
29	12
30	2
31	16
32	12
33	2
34	3
35	6
36	1
37	4
38	13
39	6
40	1
41	10
42	2
43	12
44	6
45	2
46	6
47	4
48	8
49	6
50	9
51	6
52	9
53	28
54	1
55	4
56	1
57	10
58	3
59	6
60	4
61	46
62	4
63	4
64	3
65	4
66	1
67	4
68	3
69	22
70	6
71	10
72	2
73	4
74	1
75	2
76	7
77	22
78	3
79	6
80	4
81	6
82	3
83	10
84	1
85	4
86	3
87	2
88	4
89	6
90	1
91	10
92	4
93	2
94	1