A270927 - cp's OEIS frontend

A270927 Smallest k such that k*n^m + 1 is prime, case m=4.

n	a(n)
1	1
2	1
3	2
4	1
5	18
6	1
7	6
8	3
9	6
10	7
11	46
12	5
13	10
14	3
15	8
16	1
17	16
18	2
19	28
20	1
21	2
22	7
23	16
24	1
25	24
26	12
27	10
28	1
29	10
30	2
31	6
32	7
33	26
34	1
35	12
36	3
37	6
38	3
39	8
40	16
41	10
42	3
43	22
44	16
45	2
46	1
47	6
48	1
49	36
50	3
51	6
52	3
53	16
54	1
55	18
56	1
57	8
58	12
59	16
60	10
61	12
62	31
63	2
64	10
65	22
66	2
67	36
68	21
69	40
70	6
71	12
72	18
73	6
74	1
75	6
76	7
77	10
78	2
79	18
80	1
81	2
82	1
83	22
84	2
85	12
86	18
87	6
88	1
89	18
90	1
91	58
92	3
93	12
94	7
95	24
96	2
97	16
98	3
99	16
100	6
101	6
102	7
103	46
104	25
105	2
106	1
107	12
108	7
109	18
110	12
111	46
112	3
113	12
114	5
115	10
116	3
117	48
118	1
119	16
120	2

[1, 1, 2, 1, 18, 1, 6, 3, 6, 7, 46, 5, 10, 3, 8, 1, 16, 2, 28, 1, 2, 7, 16, 1, 24, 12, 10, 1, 10, 2, 6, 7, 26, 1, 12, 3, 6, 3, 8, 16, 10, 3, 22, 16, 2, 1, 6, 1, 36, 3, 6, 3, 16, 1, 18, 1, 8, 12, 16, 10, 12, 31, 2, 10, 22, 2, 36, 21, 40, 6, 12, 18, 6, 1, 6, 7, 10, 2, 18, 1, 2, 1, 22, 2, 12, 18, 6, 1, 18, 1, 58, 3, 12, 7, 24, 2, 16, 3, 16, 6, 6, 7, 46, 25, 2, 1, 12, 7, 18, 12, 46, 3, 12, 5, 10, 3, 48, 1, 16, 2]

cp's OEIS Frontend

A270927 Smallest k such that k*n^m + 1 is prime, case m=4.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	18
6	1
7	6
8	3
9	6
10	7
11	46
12	5
13	10
14	3
15	8
16	1
17	16
18	2
19	28
20	1
21	2
22	7
23	16
24	1
25	24
26	12
27	10
28	1
29	10
30	2
31	6
32	7
33	26
34	1
35	12
36	3
37	6
38	3
39	8
40	16
41	10
42	3
43	22
44	16
45	2
46	1
47	6
48	1
49	36
50	3
51	6
52	3
53	16
54	1
55	18
56	1
57	8
58	12
59	16
60	10
61	12
62	31
63	2
64	10
65	22
66	2
67	36
68	21
69	40
70	6
71	12
72	18
73	6
74	1
75	6
76	7
77	10
78	2
79	18
80	1
81	2
82	1
83	22
84	2
85	12
86	18
87	6
88	1
89	18
90	1
91	58
92	3
93	12
94	7
95	24
96	2
97	16
98	3
99	16
100	6
101	6
102	7
103	46
104	25
105	2
106	1
107	12
108	7
109	18
110	12
111	46
112	3
113	12
114	5
115	10
116	3
117	48
118	1
119	16
120	2

n	a(n)
1	1
2	1
3	2
4	1
5	18
6	1
7	6
8	3
9	6
10	7
11	46
12	5
13	10
14	3
15	8
16	1
17	16
18	2
19	28
20	1
21	2
22	7
23	16
24	1
25	24
26	12
27	10
28	1
29	10
30	2
31	6
32	7
33	26
34	1
35	12
36	3
37	6
38	3
39	8
40	16
41	10
42	3
43	22
44	16
45	2
46	1
47	6
48	1
49	36
50	3
51	6
52	3
53	16
54	1
55	18
56	1
57	8
58	12
59	16
60	10
61	12
62	31
63	2
64	10
65	22
66	2
67	36
68	21
69	40
70	6
71	12
72	18
73	6
74	1
75	6
76	7
77	10
78	2
79	18
80	1
81	2
82	1
83	22
84	2
85	12
86	18
87	6
88	1
89	18
90	1
91	58
92	3
93	12
94	7
95	24
96	2
97	16
98	3
99	16
100	6
101	6
102	7
103	46
104	25
105	2
106	1
107	12
108	7
109	18
110	12
111	46
112	3
113	12
114	5
115	10
116	3
117	48
118	1
119	16
120	2

n	a(n)
1	1
2	1
3	2
4	1
5	18
6	1
7	6
8	3
9	6
10	7
11	46
12	5
13	10
14	3
15	8
16	1
17	16
18	2
19	28
20	1
21	2
22	7
23	16
24	1
25	24
26	12
27	10
28	1
29	10
30	2
31	6
32	7
33	26
34	1
35	12
36	3
37	6
38	3
39	8
40	16
41	10
42	3
43	22
44	16
45	2
46	1
47	6
48	1
49	36
50	3
51	6
52	3
53	16
54	1
55	18
56	1
57	8
58	12
59	16
60	10
61	12
62	31
63	2
64	10
65	22
66	2
67	36
68	21
69	40
70	6
71	12
72	18
73	6
74	1
75	6
76	7
77	10
78	2
79	18
80	1
81	2
82	1
83	22
84	2
85	12
86	18
87	6
88	1
89	18
90	1
91	58
92	3
93	12
94	7
95	24
96	2
97	16
98	3
99	16
100	6
101	6
102	7
103	46
104	25
105	2
106	1
107	12
108	7
109	18
110	12
111	46
112	3
113	12
114	5
115	10
116	3
117	48
118	1
119	16
120	2