A338477 - cp's OEIS frontend

A338477 Numbers k such that 398*k^2 - 1 is prime.

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	17
14	18
15	19
16	20
17	22
18	24
19	25
20	27
21	28
22	29
23	33
24	34
25	37
26	38
27	43
28	44
29	46
30	47
31	51
32	52
33	54
34	55
35	58
36	59
37	60
38	67
39	68
40	71
41	73
42	75
43	79
44	80
45	81
46	82
47	83
48	85
49	86
50	87
51	89
52	90
53	93
54	94
55	95
56	96
57	97
58	100
59	103
60	106
61	107
62	108
63	110
64	112
65	114
66	116
67	117
68	119
69	121
70	124
71	125
72	128

[1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 17, 18, 19, 20, 22, 24, 25, 27, 28, 29, 33, 34, 37, 38, 43, 44, 46, 47, 51, 52, 54, 55, 58, 59, 60, 67, 68, 71, 73, 75, 79, 80, 81, 82, 83, 85, 86, 87, 89, 90, 93, 94, 95, 96, 97, 100, 103, 106, 107, 108, 110, 112, 114, 116, 117, 119, 121, 124, 125, 128]

cp's OEIS Frontend

A338477 Numbers k such that 398*k^2 - 1 is prime.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	17
14	18
15	19
16	20
17	22
18	24
19	25
20	27
21	28
22	29
23	33
24	34
25	37
26	38
27	43
28	44
29	46
30	47
31	51
32	52
33	54
34	55
35	58
36	59
37	60
38	67
39	68
40	71
41	73
42	75
43	79
44	80
45	81
46	82
47	83
48	85
49	86
50	87
51	89
52	90
53	93
54	94
55	95
56	96
57	97
58	100
59	103
60	106
61	107
62	108
63	110
64	112
65	114
66	116
67	117
68	119
69	121
70	124
71	125
72	128

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	17
14	18
15	19
16	20
17	22
18	24
19	25
20	27
21	28
22	29
23	33
24	34
25	37
26	38
27	43
28	44
29	46
30	47
31	51
32	52
33	54
34	55
35	58
36	59
37	60
38	67
39	68
40	71
41	73
42	75
43	79
44	80
45	81
46	82
47	83
48	85
49	86
50	87
51	89
52	90
53	93
54	94
55	95
56	96
57	97
58	100
59	103
60	106
61	107
62	108
63	110
64	112
65	114
66	116
67	117
68	119
69	121
70	124
71	125
72	128

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	17
14	18
15	19
16	20
17	22
18	24
19	25
20	27
21	28
22	29
23	33
24	34
25	37
26	38
27	43
28	44
29	46
30	47
31	51
32	52
33	54
34	55
35	58
36	59
37	60
38	67
39	68
40	71
41	73
42	75
43	79
44	80
45	81
46	82
47	83
48	85
49	86
50	87
51	89
52	90
53	93
54	94
55	95
56	96
57	97
58	100
59	103
60	106
61	107
62	108
63	110
64	112
65	114
66	116
67	117
68	119
69	121
70	124
71	125
72	128