A090420 - cp's OEIS frontend

A090420 Numbers having a unique representation as concatenation of primes in binary.

n	a(n)
1	2
2	3
3	5
4	7
5	10
6	13
7	14
8	15
9	17
10	19
11	21
12	22
13	30
14	37
15	41
16	42
17	53
18	54
19	55
20	58
21	62
22	67
23	70
24	73
25	78
26	81
27	85
28	86
29	89
30	90
31	97
32	101
33	103
34	107
35	111
36	115
37	117
38	122
39	131
40	137
41	139
42	141
43	143
44	149
45	150
46	159
47	163
48	165
49	166
50	169
51	170
52	177
53	193
54	197
55	199
56	211
57	214
58	215
59	218

[2, 3, 5, 7, 10, 13, 14, 15, 17, 19, 21, 22, 30, 37, 41, 42, 53, 54, 55, 58, 62, 67, 70, 73, 78, 81, 85, 86, 89, 90, 97, 101, 103, 107, 111, 115, 117, 122, 131, 137, 139, 141, 143, 149, 150, 159, 163, 165, 166, 169, 170, 177, 193, 197, 199, 211, 214, 215, 218]

cp's OEIS Frontend

A090420 Numbers having a unique representation as concatenation of primes in binary.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	10
6	13
7	14
8	15
9	17
10	19
11	21
12	22
13	30
14	37
15	41
16	42
17	53
18	54
19	55
20	58
21	62
22	67
23	70
24	73
25	78
26	81
27	85
28	86
29	89
30	90
31	97
32	101
33	103
34	107
35	111
36	115
37	117
38	122
39	131
40	137
41	139
42	141
43	143
44	149
45	150
46	159
47	163
48	165
49	166
50	169
51	170
52	177
53	193
54	197
55	199
56	211
57	214
58	215
59	218

n	a(n)
1	2
2	3
3	5
4	7
5	10
6	13
7	14
8	15
9	17
10	19
11	21
12	22
13	30
14	37
15	41
16	42
17	53
18	54
19	55
20	58
21	62
22	67
23	70
24	73
25	78
26	81
27	85
28	86
29	89
30	90
31	97
32	101
33	103
34	107
35	111
36	115
37	117
38	122
39	131
40	137
41	139
42	141
43	143
44	149
45	150
46	159
47	163
48	165
49	166
50	169
51	170
52	177
53	193
54	197
55	199
56	211
57	214
58	215
59	218

n	a(n)
1	2
2	3
3	5
4	7
5	10
6	13
7	14
8	15
9	17
10	19
11	21
12	22
13	30
14	37
15	41
16	42
17	53
18	54
19	55
20	58
21	62
22	67
23	70
24	73
25	78
26	81
27	85
28	86
29	89
30	90
31	97
32	101
33	103
34	107
35	111
36	115
37	117
38	122
39	131
40	137
41	139
42	141
43	143
44	149
45	150
46	159
47	163
48	165
49	166
50	169
51	170
52	177
53	193
54	197
55	199
56	211
57	214
58	215
59	218