A362022 - cp's OEIS frontend

A362022 a(n) is the least positive integer whose binary expansion is the concatenation of the binary expansions of two numbers whose product is n.

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	11
7	15
8	17
9	15
10	21
11	23
12	19
13	27
14	23
15	23
16	33
17	35
18	27
19	39
20	37
21	31
22	43
23	47
24	35
25	45
26	45
27	39
28	39
29	59
30	43
31	63
32	65
33	47
34	69
35	47
36	51
37	75
38	77
39	55
40	69
41	83
42	55
43	87
44	75
45	63
46	87
47	95
48	67
49	63
50	85
51	71
52	77
53	107
54	75
55	91
56	71
57	79
58	93
59	119
60	79
61	123
62	95
63	79
64	129
65	93

[3, 5, 7, 9, 11, 11, 15, 17, 15, 21, 23, 19, 27, 23, 23, 33, 35, 27, 39, 37, 31, 43, 47, 35, 45, 45, 39, 39, 59, 43, 63, 65, 47, 69, 47, 51, 75, 77, 55, 69, 83, 55, 87, 75, 63, 87, 95, 67, 63, 85, 71, 77, 107, 75, 91, 71, 79, 93, 119, 79, 123, 95, 79, 129, 93]

cp's OEIS Frontend

A362022 a(n) is the least positive integer whose binary expansion is the concatenation of the binary expansions of two numbers whose product is n.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	11
7	15
8	17
9	15
10	21
11	23
12	19
13	27
14	23
15	23
16	33
17	35
18	27
19	39
20	37
21	31
22	43
23	47
24	35
25	45
26	45
27	39
28	39
29	59
30	43
31	63
32	65
33	47
34	69
35	47
36	51
37	75
38	77
39	55
40	69
41	83
42	55
43	87
44	75
45	63
46	87
47	95
48	67
49	63
50	85
51	71
52	77
53	107
54	75
55	91
56	71
57	79
58	93
59	119
60	79
61	123
62	95
63	79
64	129
65	93

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	11
7	15
8	17
9	15
10	21
11	23
12	19
13	27
14	23
15	23
16	33
17	35
18	27
19	39
20	37
21	31
22	43
23	47
24	35
25	45
26	45
27	39
28	39
29	59
30	43
31	63
32	65
33	47
34	69
35	47
36	51
37	75
38	77
39	55
40	69
41	83
42	55
43	87
44	75
45	63
46	87
47	95
48	67
49	63
50	85
51	71
52	77
53	107
54	75
55	91
56	71
57	79
58	93
59	119
60	79
61	123
62	95
63	79
64	129
65	93

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	11
7	15
8	17
9	15
10	21
11	23
12	19
13	27
14	23
15	23
16	33
17	35
18	27
19	39
20	37
21	31
22	43
23	47
24	35
25	45
26	45
27	39
28	39
29	59
30	43
31	63
32	65
33	47
34	69
35	47
36	51
37	75
38	77
39	55
40	69
41	83
42	55
43	87
44	75
45	63
46	87
47	95
48	67
49	63
50	85
51	71
52	77
53	107
54	75
55	91
56	71
57	79
58	93
59	119
60	79
61	123
62	95
63	79
64	129
65	93