A224493 - cp's OEIS frontend

A224493 Smallest k such that k2p(n)^2+1 is prime.

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

[2, 1, 2, 2, 3, 2, 6, 15, 12, 6, 8, 2, 5, 6, 2, 14, 3, 23, 2, 5, 2, 3, 5, 3, 6, 11, 2, 9, 3, 5, 6, 3, 14, 8, 5, 6, 2, 2, 5, 9, 8, 11, 3, 2, 11, 3, 6, 5, 6, 5, 2, 5, 3, 8, 15, 14, 3, 5, 20, 5, 6, 14, 14, 8, 5, 2, 8, 2, 6, 18, 14, 3, 6, 9, 5, 12, 3, 9, 15, 18, 6, 6, 3]

cp's OEIS Frontend

A224493 Smallest k such that k2p(n)^2+1 is prime.

Table of values

List of values

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

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

cp's OEIS Frontend

A224493 Smallest k such that k*2*p(n)^2+1 is prime.

Table of values

List of values

A224493 Smallest k such that k2p(n)^2+1 is prime.

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