A127260 - cp's OEIS frontend

A127260 Indices n of odd numbers of the form 8*n+1 that are not primes.

n	a(n)
1	0
2	1
3	3
4	4
5	6
6	7
7	8
8	10
9	13
10	15
11	16
12	18
13	19
14	20
15	21
16	22
17	23
18	25
19	26
20	27
21	28
22	31
23	33
24	34
25	36
26	37
27	38
28	40
29	41
30	43
31	45
32	46
33	47
34	48
35	49
36	52
37	53
38	55
39	58
40	59
41	60
42	61
43	62
44	63
45	64
46	66
47	67
48	68
49	69
50	70
51	73
52	76
53	78
54	79
55	81
56	82
57	83
58	85
59	86
60	87
61	88
62	89
63	90
64	91
65	92
66	93
67	94
68	97
69	98
70	99
71	100
72	102

[0, 1, 3, 4, 6, 7, 8, 10, 13, 15, 16, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 31, 33, 34, 36, 37, 38, 40, 41, 43, 45, 46, 47, 48, 49, 52, 53, 55, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68, 69, 70, 73, 76, 78, 79, 81, 82, 83, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 97, 98, 99, 100, 102]

cp's OEIS Frontend

A127260 Indices n of odd numbers of the form 8*n+1 that are not primes.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	4
5	6
6	7
7	8
8	10
9	13
10	15
11	16
12	18
13	19
14	20
15	21
16	22
17	23
18	25
19	26
20	27
21	28
22	31
23	33
24	34
25	36
26	37
27	38
28	40
29	41
30	43
31	45
32	46
33	47
34	48
35	49
36	52
37	53
38	55
39	58
40	59
41	60
42	61
43	62
44	63
45	64
46	66
47	67
48	68
49	69
50	70
51	73
52	76
53	78
54	79
55	81
56	82
57	83
58	85
59	86
60	87
61	88
62	89
63	90
64	91
65	92
66	93
67	94
68	97
69	98
70	99
71	100
72	102

n	a(n)
1	0
2	1
3	3
4	4
5	6
6	7
7	8
8	10
9	13
10	15
11	16
12	18
13	19
14	20
15	21
16	22
17	23
18	25
19	26
20	27
21	28
22	31
23	33
24	34
25	36
26	37
27	38
28	40
29	41
30	43
31	45
32	46
33	47
34	48
35	49
36	52
37	53
38	55
39	58
40	59
41	60
42	61
43	62
44	63
45	64
46	66
47	67
48	68
49	69
50	70
51	73
52	76
53	78
54	79
55	81
56	82
57	83
58	85
59	86
60	87
61	88
62	89
63	90
64	91
65	92
66	93
67	94
68	97
69	98
70	99
71	100
72	102

n	a(n)
1	0
2	1
3	3
4	4
5	6
6	7
7	8
8	10
9	13
10	15
11	16
12	18
13	19
14	20
15	21
16	22
17	23
18	25
19	26
20	27
21	28
22	31
23	33
24	34
25	36
26	37
27	38
28	40
29	41
30	43
31	45
32	46
33	47
34	48
35	49
36	52
37	53
38	55
39	58
40	59
41	60
42	61
43	62
44	63
45	64
46	66
47	67
48	68
49	69
50	70
51	73
52	76
53	78
54	79
55	81
56	82
57	83
58	85
59	86
60	87
61	88
62	89
63	90
64	91
65	92
66	93
67	94
68	97
69	98
70	99
71	100
72	102