A090563 - cp's OEIS frontend

A090563 Numbers k such that 5k^2 + 5k + 1 is prime.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	11
9	13
10	14
11	15
12	16
13	17
14	19
15	21
16	22
17	24
18	25
19	26
20	30
21	32
22	35
23	36
24	38
25	43
26	44
27	49
28	52
29	54
30	55
31	60
32	61
33	62
34	63
35	66
36	69
37	70
38	71
39	73
40	74
41	79
42	80
43	81
44	82
45	85
46	87
47	88
48	93
49	94
50	101
51	104
52	106
53	107
54	109
55	110
56	112
57	114
58	115
59	117
60	123
61	127
62	128
63	131
64	135

[1, 2, 3, 4, 5, 6, 7, 11, 13, 14, 15, 16, 17, 19, 21, 22, 24, 25, 26, 30, 32, 35, 36, 38, 43, 44, 49, 52, 54, 55, 60, 61, 62, 63, 66, 69, 70, 71, 73, 74, 79, 80, 81, 82, 85, 87, 88, 93, 94, 101, 104, 106, 107, 109, 110, 112, 114, 115, 117, 123, 127, 128, 131, 135]

cp's OEIS Frontend

A090563 Numbers k such that 5k^2 + 5k + 1 is prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	11
9	13
10	14
11	15
12	16
13	17
14	19
15	21
16	22
17	24
18	25
19	26
20	30
21	32
22	35
23	36
24	38
25	43
26	44
27	49
28	52
29	54
30	55
31	60
32	61
33	62
34	63
35	66
36	69
37	70
38	71
39	73
40	74
41	79
42	80
43	81
44	82
45	85
46	87
47	88
48	93
49	94
50	101
51	104
52	106
53	107
54	109
55	110
56	112
57	114
58	115
59	117
60	123
61	127
62	128
63	131
64	135

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	11
9	13
10	14
11	15
12	16
13	17
14	19
15	21
16	22
17	24
18	25
19	26
20	30
21	32
22	35
23	36
24	38
25	43
26	44
27	49
28	52
29	54
30	55
31	60
32	61
33	62
34	63
35	66
36	69
37	70
38	71
39	73
40	74
41	79
42	80
43	81
44	82
45	85
46	87
47	88
48	93
49	94
50	101
51	104
52	106
53	107
54	109
55	110
56	112
57	114
58	115
59	117
60	123
61	127
62	128
63	131
64	135

cp's OEIS Frontend

A090563 Numbers k such that 5*k^2 + 5*k + 1 is prime.

Table of values

List of values

A090563 Numbers k such that 5k^2 + 5k + 1 is prime.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	11
9	13
10	14
11	15
12	16
13	17
14	19
15	21
16	22
17	24
18	25
19	26
20	30
21	32
22	35
23	36
24	38
25	43
26	44
27	49
28	52
29	54
30	55
31	60
32	61
33	62
34	63
35	66
36	69
37	70
38	71
39	73
40	74
41	79
42	80
43	81
44	82
45	85
46	87
47	88
48	93
49	94
50	101
51	104
52	106
53	107
54	109
55	110
56	112
57	114
58	115
59	117
60	123
61	127
62	128
63	131
64	135