A090421 - cp's OEIS frontend

A090421 Numbers that can be written in binary representation as concatenation of primes.

n	a(n)
1	2
2	3
3	5
4	7
5	10
6	11
7	13
8	14
9	15
10	17
11	19
12	21
13	22
14	23
15	29
16	30
17	31
18	37
19	41
20	42
21	43
22	45
23	46
24	47
25	53
26	54
27	55
28	58
29	59
30	61
31	62
32	63
33	67
34	70
35	71
36	73
37	78
38	79
39	81
40	83
41	85
42	86
43	87
44	89
45	90
46	91
47	93
48	94
49	95
50	97
51	101
52	103
53	107
54	109
55	111
56	113
57	115
58	117
59	118
60	119
61	122
62	123

[2, 3, 5, 7, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 29, 30, 31, 37, 41, 42, 43, 45, 46, 47, 53, 54, 55, 58, 59, 61, 62, 63, 67, 70, 71, 73, 78, 79, 81, 83, 85, 86, 87, 89, 90, 91, 93, 94, 95, 97, 101, 103, 107, 109, 111, 113, 115, 117, 118, 119, 122, 123]

cp's OEIS Frontend

A090421 Numbers that can be written in binary representation as concatenation of primes.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	10
6	11
7	13
8	14
9	15
10	17
11	19
12	21
13	22
14	23
15	29
16	30
17	31
18	37
19	41
20	42
21	43
22	45
23	46
24	47
25	53
26	54
27	55
28	58
29	59
30	61
31	62
32	63
33	67
34	70
35	71
36	73
37	78
38	79
39	81
40	83
41	85
42	86
43	87
44	89
45	90
46	91
47	93
48	94
49	95
50	97
51	101
52	103
53	107
54	109
55	111
56	113
57	115
58	117
59	118
60	119
61	122
62	123

n	a(n)
1	2
2	3
3	5
4	7
5	10
6	11
7	13
8	14
9	15
10	17
11	19
12	21
13	22
14	23
15	29
16	30
17	31
18	37
19	41
20	42
21	43
22	45
23	46
24	47
25	53
26	54
27	55
28	58
29	59
30	61
31	62
32	63
33	67
34	70
35	71
36	73
37	78
38	79
39	81
40	83
41	85
42	86
43	87
44	89
45	90
46	91
47	93
48	94
49	95
50	97
51	101
52	103
53	107
54	109
55	111
56	113
57	115
58	117
59	118
60	119
61	122
62	123

n	a(n)
1	2
2	3
3	5
4	7
5	10
6	11
7	13
8	14
9	15
10	17
11	19
12	21
13	22
14	23
15	29
16	30
17	31
18	37
19	41
20	42
21	43
22	45
23	46
24	47
25	53
26	54
27	55
28	58
29	59
30	61
31	62
32	63
33	67
34	70
35	71
36	73
37	78
38	79
39	81
40	83
41	85
42	86
43	87
44	89
45	90
46	91
47	93
48	94
49	95
50	97
51	101
52	103
53	107
54	109
55	111
56	113
57	115
58	117
59	118
60	119
61	122
62	123