A241757 - cp's OEIS frontend

A241757 Numbers n such that 2n is a sum of two primes, the adding of which requires only one carry in binary.

n	a(n)
1	2
2	11
3	15
4	23
5	27
6	29
7	39
8	45
9	47
10	51
11	55
12	57
13	59
14	63
15	71
16	77
17	87
18	95
19	99
20	103
21	105
22	107
23	111
24	115
25	117
26	119
27	123
28	125
29	127
30	131
31	135
32	137
33	143
34	147
35	149
36	155
37	159
38	165
39	171
40	173
41	175
42	177
43	179
44	183
45	185
46	187
47	189
48	191
49	197
50	203
51	207
52	215
53	219
54	221
55	223
56	225

[2, 11, 15, 23, 27, 29, 39, 45, 47, 51, 55, 57, 59, 63, 71, 77, 87, 95, 99, 103, 105, 107, 111, 115, 117, 119, 123, 125, 127, 131, 135, 137, 143, 147, 149, 155, 159, 165, 171, 173, 175, 177, 179, 183, 185, 187, 189, 191, 197, 203, 207, 215, 219, 221, 223, 225]

cp's OEIS Frontend

A241757 Numbers n such that 2n is a sum of two primes, the adding of which requires only one carry in binary.

Table of values

List of values

n	a(n)
1	2
2	11
3	15
4	23
5	27
6	29
7	39
8	45
9	47
10	51
11	55
12	57
13	59
14	63
15	71
16	77
17	87
18	95
19	99
20	103
21	105
22	107
23	111
24	115
25	117
26	119
27	123
28	125
29	127
30	131
31	135
32	137
33	143
34	147
35	149
36	155
37	159
38	165
39	171
40	173
41	175
42	177
43	179
44	183
45	185
46	187
47	189
48	191
49	197
50	203
51	207
52	215
53	219
54	221
55	223
56	225

n	a(n)
1	2
2	11
3	15
4	23
5	27
6	29
7	39
8	45
9	47
10	51
11	55
12	57
13	59
14	63
15	71
16	77
17	87
18	95
19	99
20	103
21	105
22	107
23	111
24	115
25	117
26	119
27	123
28	125
29	127
30	131
31	135
32	137
33	143
34	147
35	149
36	155
37	159
38	165
39	171
40	173
41	175
42	177
43	179
44	183
45	185
46	187
47	189
48	191
49	197
50	203
51	207
52	215
53	219
54	221
55	223
56	225

n	a(n)
1	2
2	11
3	15
4	23
5	27
6	29
7	39
8	45
9	47
10	51
11	55
12	57
13	59
14	63
15	71
16	77
17	87
18	95
19	99
20	103
21	105
22	107
23	111
24	115
25	117
26	119
27	123
28	125
29	127
30	131
31	135
32	137
33	143
34	147
35	149
36	155
37	159
38	165
39	171
40	173
41	175
42	177
43	179
44	183
45	185
46	187
47	189
48	191
49	197
50	203
51	207
52	215
53	219
54	221
55	223
56	225