A370090 - cp's OEIS frontend

A370090 Numbers that can be expressed in exactly one way as the unordered sum of two distinct primes.

n	a(n)
1	5
2	7
3	8
4	9
5	10
6	12
7	13
8	14
9	15
10	19
11	21
12	25
13	31
14	33
15	38
16	39
17	43
18	45
19	49
20	55
21	61
22	63
23	69
24	73
25	75
26	81
27	85
28	91
29	99
30	103
31	105
32	109
33	111
34	115
35	129
36	133
37	139
38	141
39	151
40	153
41	159
42	165
43	169
44	175
45	181
46	183
47	193
48	195
49	199
50	201
51	213
52	225
53	229
54	231
55	235
56	241
57	243
58	253
59	259
60	265

[5, 7, 8, 9, 10, 12, 13, 14, 15, 19, 21, 25, 31, 33, 38, 39, 43, 45, 49, 55, 61, 63, 69, 73, 75, 81, 85, 91, 99, 103, 105, 109, 111, 115, 129, 133, 139, 141, 151, 153, 159, 165, 169, 175, 181, 183, 193, 195, 199, 201, 213, 225, 229, 231, 235, 241, 243, 253, 259, 265]

cp's OEIS Frontend

A370090 Numbers that can be expressed in exactly one way as the unordered sum of two distinct primes.

Table of values

List of values

n	a(n)
1	5
2	7
3	8
4	9
5	10
6	12
7	13
8	14
9	15
10	19
11	21
12	25
13	31
14	33
15	38
16	39
17	43
18	45
19	49
20	55
21	61
22	63
23	69
24	73
25	75
26	81
27	85
28	91
29	99
30	103
31	105
32	109
33	111
34	115
35	129
36	133
37	139
38	141
39	151
40	153
41	159
42	165
43	169
44	175
45	181
46	183
47	193
48	195
49	199
50	201
51	213
52	225
53	229
54	231
55	235
56	241
57	243
58	253
59	259
60	265

n	a(n)
1	5
2	7
3	8
4	9
5	10
6	12
7	13
8	14
9	15
10	19
11	21
12	25
13	31
14	33
15	38
16	39
17	43
18	45
19	49
20	55
21	61
22	63
23	69
24	73
25	75
26	81
27	85
28	91
29	99
30	103
31	105
32	109
33	111
34	115
35	129
36	133
37	139
38	141
39	151
40	153
41	159
42	165
43	169
44	175
45	181
46	183
47	193
48	195
49	199
50	201
51	213
52	225
53	229
54	231
55	235
56	241
57	243
58	253
59	259
60	265

n	a(n)
1	5
2	7
3	8
4	9
5	10
6	12
7	13
8	14
9	15
10	19
11	21
12	25
13	31
14	33
15	38
16	39
17	43
18	45
19	49
20	55
21	61
22	63
23	69
24	73
25	75
26	81
27	85
28	91
29	99
30	103
31	105
32	109
33	111
34	115
35	129
36	133
37	139
38	141
39	151
40	153
41	159
42	165
43	169
44	175
45	181
46	183
47	193
48	195
49	199
50	201
51	213
52	225
53	229
54	231
55	235
56	241
57	243
58	253
59	259
60	265