A138887 - cp's OEIS frontend

A138887 Numbers that are not Sophie Germain primes.

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

[0, 1, 4, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68]

cp's OEIS Frontend

A138887 Numbers that are not Sophie Germain primes.

Table of values

List of values

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

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

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