A090419 - cp's OEIS frontend

A090419 Numbers that cannot be written in binary representation as concatenation of primes.

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	12
7	16
8	18
9	20
10	24
11	25
12	26
13	27
14	28
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	40
23	44
24	48
25	49
26	50
27	51
28	52
29	56
30	57
31	60
32	64
33	65
34	66
35	68
36	69
37	72
38	74
39	75
40	76
41	77
42	80
43	82
44	84
45	88
46	92
47	96
48	98
49	99
50	100
51	102
52	104
53	105
54	106
55	108
56	110
57	112
58	114
59	116
60	120
61	121
62	124

[1, 4, 6, 8, 9, 12, 16, 18, 20, 24, 25, 26, 27, 28, 32, 33, 34, 35, 36, 38, 39, 40, 44, 48, 49, 50, 51, 52, 56, 57, 60, 64, 65, 66, 68, 69, 72, 74, 75, 76, 77, 80, 82, 84, 88, 92, 96, 98, 99, 100, 102, 104, 105, 106, 108, 110, 112, 114, 116, 120, 121, 124]

cp's OEIS Frontend

A090419 Numbers that cannot be written in binary representation as concatenation of primes.

Table of values

List of values

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	12
7	16
8	18
9	20
10	24
11	25
12	26
13	27
14	28
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	40
23	44
24	48
25	49
26	50
27	51
28	52
29	56
30	57
31	60
32	64
33	65
34	66
35	68
36	69
37	72
38	74
39	75
40	76
41	77
42	80
43	82
44	84
45	88
46	92
47	96
48	98
49	99
50	100
51	102
52	104
53	105
54	106
55	108
56	110
57	112
58	114
59	116
60	120
61	121
62	124

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	12
7	16
8	18
9	20
10	24
11	25
12	26
13	27
14	28
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	40
23	44
24	48
25	49
26	50
27	51
28	52
29	56
30	57
31	60
32	64
33	65
34	66
35	68
36	69
37	72
38	74
39	75
40	76
41	77
42	80
43	82
44	84
45	88
46	92
47	96
48	98
49	99
50	100
51	102
52	104
53	105
54	106
55	108
56	110
57	112
58	114
59	116
60	120
61	121
62	124

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	12
7	16
8	18
9	20
10	24
11	25
12	26
13	27
14	28
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	40
23	44
24	48
25	49
26	50
27	51
28	52
29	56
30	57
31	60
32	64
33	65
34	66
35	68
36	69
37	72
38	74
39	75
40	76
41	77
42	80
43	82
44	84
45	88
46	92
47	96
48	98
49	99
50	100
51	102
52	104
53	105
54	106
55	108
56	110
57	112
58	114
59	116
60	120
61	121
62	124