A241266 - cp's OEIS frontend

A241266 Numbers n such that 4n^2+2n-1 is not prime.

n	a(n)
1	6
2	7
3	9
4	11
5	16
6	17
7	18
8	20
9	21
10	26
11	29
12	31
13	36
14	37
15	39
16	40
17	41
18	42
19	44
20	45
21	46
22	49
23	51
24	52
25	53
26	54
27	55
28	56
29	58
30	59
31	61
32	62
33	64
34	66
35	68
36	71
37	73
38	75
39	76
40	78
41	81
42	83
43	84
44	85
45	86
46	89
47	91
48	95
49	96
50	97
51	99
52	100
53	101
54	102
55	104
56	105
57	106
58	107
59	108
60	111
61	112
62	113
63	114

[6, 7, 9, 11, 16, 17, 18, 20, 21, 26, 29, 31, 36, 37, 39, 40, 41, 42, 44, 45, 46, 49, 51, 52, 53, 54, 55, 56, 58, 59, 61, 62, 64, 66, 68, 71, 73, 75, 76, 78, 81, 83, 84, 85, 86, 89, 91, 95, 96, 97, 99, 100, 101, 102, 104, 105, 106, 107, 108, 111, 112, 113, 114]

cp's OEIS Frontend

A241266 Numbers n such that 4n^2+2n-1 is not prime.

Table of values

List of values

n	a(n)
1	6
2	7
3	9
4	11
5	16
6	17
7	18
8	20
9	21
10	26
11	29
12	31
13	36
14	37
15	39
16	40
17	41
18	42
19	44
20	45
21	46
22	49
23	51
24	52
25	53
26	54
27	55
28	56
29	58
30	59
31	61
32	62
33	64
34	66
35	68
36	71
37	73
38	75
39	76
40	78
41	81
42	83
43	84
44	85
45	86
46	89
47	91
48	95
49	96
50	97
51	99
52	100
53	101
54	102
55	104
56	105
57	106
58	107
59	108
60	111
61	112
62	113
63	114

n	a(n)
1	6
2	7
3	9
4	11
5	16
6	17
7	18
8	20
9	21
10	26
11	29
12	31
13	36
14	37
15	39
16	40
17	41
18	42
19	44
20	45
21	46
22	49
23	51
24	52
25	53
26	54
27	55
28	56
29	58
30	59
31	61
32	62
33	64
34	66
35	68
36	71
37	73
38	75
39	76
40	78
41	81
42	83
43	84
44	85
45	86
46	89
47	91
48	95
49	96
50	97
51	99
52	100
53	101
54	102
55	104
56	105
57	106
58	107
59	108
60	111
61	112
62	113
63	114

cp's OEIS Frontend

A241266 Numbers n such that 4*n^2+2*n-1 is not prime.

Table of values

List of values

A241266 Numbers n such that 4n^2+2n-1 is not prime.

n	a(n)
1	6
2	7
3	9
4	11
5	16
6	17
7	18
8	20
9	21
10	26
11	29
12	31
13	36
14	37
15	39
16	40
17	41
18	42
19	44
20	45
21	46
22	49
23	51
24	52
25	53
26	54
27	55
28	56
29	58
30	59
31	61
32	62
33	64
34	66
35	68
36	71
37	73
38	75
39	76
40	78
41	81
42	83
43	84
44	85
45	86
46	89
47	91
48	95
49	96
50	97
51	99
52	100
53	101
54	102
55	104
56	105
57	106
58	107
59	108
60	111
61	112
62	113
63	114