A309668 - cp's OEIS frontend

A309668 a(n) is the least positive number of the form floor(2^k/n) for some k >= 0 not yet in the sequence.

n	a(n)
1	1
2	2
3	5
4	4
5	3
6	10
7	9
8	8
9	7
10	6
11	11
12	21
13	19
14	18
15	17
16	16
17	15
18	14
19	13
20	12
21	24
22	23
23	22
24	42
25	20
26	39
27	37
28	36
29	35
30	34
31	33
32	32
33	31
34	30
35	29
36	28
37	27
38	26
39	52
40	25
41	49
42	48
43	47
44	46
45	45
46	44
47	43
48	85
49	41
50	40
51	80
52	78
53	38
54	75
55	74
56	73
57	71
58	70
59	69
60	68
61	67
62	66
63	65
64	64
65	63
66	62
67	61

[1, 2, 5, 4, 3, 10, 9, 8, 7, 6, 11, 21, 19, 18, 17, 16, 15, 14, 13, 12, 24, 23, 22, 42, 20, 39, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 52, 25, 49, 48, 47, 46, 45, 44, 43, 85, 41, 40, 80, 78, 38, 75, 74, 73, 71, 70, 69, 68, 67, 66, 65, 64, 63, 62, 61]

cp's OEIS Frontend

A309668 a(n) is the least positive number of the form floor(2^k/n) for some k >= 0 not yet in the sequence.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	4
5	3
6	10
7	9
8	8
9	7
10	6
11	11
12	21
13	19
14	18
15	17
16	16
17	15
18	14
19	13
20	12
21	24
22	23
23	22
24	42
25	20
26	39
27	37
28	36
29	35
30	34
31	33
32	32
33	31
34	30
35	29
36	28
37	27
38	26
39	52
40	25
41	49
42	48
43	47
44	46
45	45
46	44
47	43
48	85
49	41
50	40
51	80
52	78
53	38
54	75
55	74
56	73
57	71
58	70
59	69
60	68
61	67
62	66
63	65
64	64
65	63
66	62
67	61

n	a(n)
1	1
2	2
3	5
4	4
5	3
6	10
7	9
8	8
9	7
10	6
11	11
12	21
13	19
14	18
15	17
16	16
17	15
18	14
19	13
20	12
21	24
22	23
23	22
24	42
25	20
26	39
27	37
28	36
29	35
30	34
31	33
32	32
33	31
34	30
35	29
36	28
37	27
38	26
39	52
40	25
41	49
42	48
43	47
44	46
45	45
46	44
47	43
48	85
49	41
50	40
51	80
52	78
53	38
54	75
55	74
56	73
57	71
58	70
59	69
60	68
61	67
62	66
63	65
64	64
65	63
66	62
67	61

n	a(n)
1	1
2	2
3	5
4	4
5	3
6	10
7	9
8	8
9	7
10	6
11	11
12	21
13	19
14	18
15	17
16	16
17	15
18	14
19	13
20	12
21	24
22	23
23	22
24	42
25	20
26	39
27	37
28	36
29	35
30	34
31	33
32	32
33	31
34	30
35	29
36	28
37	27
38	26
39	52
40	25
41	49
42	48
43	47
44	46
45	45
46	44
47	43
48	85
49	41
50	40
51	80
52	78
53	38
54	75
55	74
56	73
57	71
58	70
59	69
60	68
61	67
62	66
63	65
64	64
65	63
66	62
67	61