A241403 - cp's OEIS frontend

A241403 Numbers n such that (n^2 + 2)/3 is not prime.

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	13
12	14
13	15
14	16
15	18
16	19
17	20
18	21
19	22
20	23
21	24
22	25
23	26
24	27
25	28
26	30
27	31
28	32
29	33
30	34
31	36
32	38
33	39
34	40
35	41
36	42
37	44
38	45
39	46
40	47
41	48
42	49
43	50
44	51
45	52
46	54
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	66
57	67
58	68
59	69
60	70
61	71
62	72
63	74
64	75
65	76
66	77
67	78
68	80
69	81
70	82
71	84

[0, 1, 3, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 36, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68, 69, 70, 71, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84]

cp's OEIS Frontend

A241403 Numbers n such that (n^2 + 2)/3 is not prime.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	13
12	14
13	15
14	16
15	18
16	19
17	20
18	21
19	22
20	23
21	24
22	25
23	26
24	27
25	28
26	30
27	31
28	32
29	33
30	34
31	36
32	38
33	39
34	40
35	41
36	42
37	44
38	45
39	46
40	47
41	48
42	49
43	50
44	51
45	52
46	54
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	66
57	67
58	68
59	69
60	70
61	71
62	72
63	74
64	75
65	76
66	77
67	78
68	80
69	81
70	82
71	84

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	13
12	14
13	15
14	16
15	18
16	19
17	20
18	21
19	22
20	23
21	24
22	25
23	26
24	27
25	28
26	30
27	31
28	32
29	33
30	34
31	36
32	38
33	39
34	40
35	41
36	42
37	44
38	45
39	46
40	47
41	48
42	49
43	50
44	51
45	52
46	54
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	66
57	67
58	68
59	69
60	70
61	71
62	72
63	74
64	75
65	76
66	77
67	78
68	80
69	81
70	82
71	84

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	13
12	14
13	15
14	16
15	18
16	19
17	20
18	21
19	22
20	23
21	24
22	25
23	26
24	27
25	28
26	30
27	31
28	32
29	33
30	34
31	36
32	38
33	39
34	40
35	41
36	42
37	44
38	45
39	46
40	47
41	48
42	49
43	50
44	51
45	52
46	54
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	66
57	67
58	68
59	69
60	70
61	71
62	72
63	74
64	75
65	76
66	77
67	78
68	80
69	81
70	82
71	84