A257318 - cp's OEIS frontend

A257318 Numbers n whose binary expansion can be written as the concatenation of the binary expansion of prime numbers in at least two different ways (not allowing leading zeros).

n	a(n)
1	11
2	23
3	29
4	31
5	43
6	45
7	46
8	47
9	59
10	61
11	63
12	71
13	79
14	83
15	87
16	91
17	93
18	94
19	95
20	109
21	113
22	118
23	119
24	123
25	125
26	126
27	127
28	151
29	157
30	167
31	171
32	173
33	174
34	175
35	179
36	181
37	182
38	183
39	186
40	187
41	189
42	190
43	191
44	219
45	223
46	229
47	233
48	235
49	237
50	238
51	239
52	241
53	245
54	246
55	247
56	251
57	253
58	254
59	255
60	271
61	283
62	286
63	287

[11, 23, 29, 31, 43, 45, 46, 47, 59, 61, 63, 71, 79, 83, 87, 91, 93, 94, 95, 109, 113, 118, 119, 123, 125, 126, 127, 151, 157, 167, 171, 173, 174, 175, 179, 181, 182, 183, 186, 187, 189, 190, 191, 219, 223, 229, 233, 235, 237, 238, 239, 241, 245, 246, 247, 251, 253, 254, 255, 271, 283, 286, 287]

cp's OEIS Frontend

A257318 Numbers n whose binary expansion can be written as the concatenation of the binary expansion of prime numbers in at least two different ways (not allowing leading zeros).

Table of values

List of values

n	a(n)
1	11
2	23
3	29
4	31
5	43
6	45
7	46
8	47
9	59
10	61
11	63
12	71
13	79
14	83
15	87
16	91
17	93
18	94
19	95
20	109
21	113
22	118
23	119
24	123
25	125
26	126
27	127
28	151
29	157
30	167
31	171
32	173
33	174
34	175
35	179
36	181
37	182
38	183
39	186
40	187
41	189
42	190
43	191
44	219
45	223
46	229
47	233
48	235
49	237
50	238
51	239
52	241
53	245
54	246
55	247
56	251
57	253
58	254
59	255
60	271
61	283
62	286
63	287

n	a(n)
1	11
2	23
3	29
4	31
5	43
6	45
7	46
8	47
9	59
10	61
11	63
12	71
13	79
14	83
15	87
16	91
17	93
18	94
19	95
20	109
21	113
22	118
23	119
24	123
25	125
26	126
27	127
28	151
29	157
30	167
31	171
32	173
33	174
34	175
35	179
36	181
37	182
38	183
39	186
40	187
41	189
42	190
43	191
44	219
45	223
46	229
47	233
48	235
49	237
50	238
51	239
52	241
53	245
54	246
55	247
56	251
57	253
58	254
59	255
60	271
61	283
62	286
63	287

n	a(n)
1	11
2	23
3	29
4	31
5	43
6	45
7	46
8	47
9	59
10	61
11	63
12	71
13	79
14	83
15	87
16	91
17	93
18	94
19	95
20	109
21	113
22	118
23	119
24	123
25	125
26	126
27	127
28	151
29	157
30	167
31	171
32	173
33	174
34	175
35	179
36	181
37	182
38	183
39	186
40	187
41	189
42	190
43	191
44	219
45	223
46	229
47	233
48	235
49	237
50	238
51	239
52	241
53	245
54	246
55	247
56	251
57	253
58	254
59	255
60	271
61	283
62	286
63	287