A188766 - cp's OEIS frontend

A188766 Numbers n such that the number of decompositions of 2n into sum of two primes (counting 1 as a prime) is 1 or a composite.

n	a(n)
1	1
2	12
3	15
4	17
5	18
6	22
7	23
8	24
9	25
10	27
11	29
12	31
13	33
14	37
15	42
16	44
17	45
18	46
19	49
20	50
21	51
22	52
23	53
24	54
25	58
26	59
27	60
28	61
29	63
30	64
31	66
32	67
33	69
34	70
35	71
36	73
37	77
38	79
39	80
40	81
41	82
42	83
43	84
44	85
45	86
46	87
47	90
48	92
49	95
50	96
51	97
52	98
53	99
54	100
55	101
56	102
57	107
58	110
59	112
60	115
61	117
62	118
63	119

[1, 12, 15, 17, 18, 22, 23, 24, 25, 27, 29, 31, 33, 37, 42, 44, 45, 46, 49, 50, 51, 52, 53, 54, 58, 59, 60, 61, 63, 64, 66, 67, 69, 70, 71, 73, 77, 79, 80, 81, 82, 83, 84, 85, 86, 87, 90, 92, 95, 96, 97, 98, 99, 100, 101, 102, 107, 110, 112, 115, 117, 118, 119]

cp's OEIS Frontend

A188766 Numbers n such that the number of decompositions of 2n into sum of two primes (counting 1 as a prime) is 1 or a composite.

Table of values

List of values

n	a(n)
1	1
2	12
3	15
4	17
5	18
6	22
7	23
8	24
9	25
10	27
11	29
12	31
13	33
14	37
15	42
16	44
17	45
18	46
19	49
20	50
21	51
22	52
23	53
24	54
25	58
26	59
27	60
28	61
29	63
30	64
31	66
32	67
33	69
34	70
35	71
36	73
37	77
38	79
39	80
40	81
41	82
42	83
43	84
44	85
45	86
46	87
47	90
48	92
49	95
50	96
51	97
52	98
53	99
54	100
55	101
56	102
57	107
58	110
59	112
60	115
61	117
62	118
63	119

n	a(n)
1	1
2	12
3	15
4	17
5	18
6	22
7	23
8	24
9	25
10	27
11	29
12	31
13	33
14	37
15	42
16	44
17	45
18	46
19	49
20	50
21	51
22	52
23	53
24	54
25	58
26	59
27	60
28	61
29	63
30	64
31	66
32	67
33	69
34	70
35	71
36	73
37	77
38	79
39	80
40	81
41	82
42	83
43	84
44	85
45	86
46	87
47	90
48	92
49	95
50	96
51	97
52	98
53	99
54	100
55	101
56	102
57	107
58	110
59	112
60	115
61	117
62	118
63	119

n	a(n)
1	1
2	12
3	15
4	17
5	18
6	22
7	23
8	24
9	25
10	27
11	29
12	31
13	33
14	37
15	42
16	44
17	45
18	46
19	49
20	50
21	51
22	52
23	53
24	54
25	58
26	59
27	60
28	61
29	63
30	64
31	66
32	67
33	69
34	70
35	71
36	73
37	77
38	79
39	80
40	81
41	82
42	83
43	84
44	85
45	86
46	87
47	90
48	92
49	95
50	96
51	97
52	98
53	99
54	100
55	101
56	102
57	107
58	110
59	112
60	115
61	117
62	118
63	119