A233564 - cp's OEIS frontend

A233564 c-squarefree numbers: positive integers which in binary are concatenation of distinct parts of the form 10...0 with nonnegative number of zeros.

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	8
8	9
9	12
10	16
11	17
12	18
13	20
14	24
15	32
16	33
17	34
18	37
19	38
20	40
21	41
22	44
23	48
24	50
25	52
26	64
27	65
28	66
29	68
30	69
31	70
32	72
33	80
34	81
35	88
36	96
37	98
38	104
39	128
40	129
41	130
42	132
43	133
44	134
45	137
46	140
47	144
48	145
49	152
50	160
51	161
52	176
53	192
54	194
55	196
56	200
57	208
58	256
59	257
60	258
61	260
62	261

[0, 1, 2, 4, 5, 6, 8, 9, 12, 16, 17, 18, 20, 24, 32, 33, 34, 37, 38, 40, 41, 44, 48, 50, 52, 64, 65, 66, 68, 69, 70, 72, 80, 81, 88, 96, 98, 104, 128, 129, 130, 132, 133, 134, 137, 140, 144, 145, 152, 160, 161, 176, 192, 194, 196, 200, 208, 256, 257, 258, 260, 261]

cp's OEIS Frontend

A233564 c-squarefree numbers: positive integers which in binary are concatenation of distinct parts of the form 10...0 with nonnegative number of zeros.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	8
8	9
9	12
10	16
11	17
12	18
13	20
14	24
15	32
16	33
17	34
18	37
19	38
20	40
21	41
22	44
23	48
24	50
25	52
26	64
27	65
28	66
29	68
30	69
31	70
32	72
33	80
34	81
35	88
36	96
37	98
38	104
39	128
40	129
41	130
42	132
43	133
44	134
45	137
46	140
47	144
48	145
49	152
50	160
51	161
52	176
53	192
54	194
55	196
56	200
57	208
58	256
59	257
60	258
61	260
62	261

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	8
8	9
9	12
10	16
11	17
12	18
13	20
14	24
15	32
16	33
17	34
18	37
19	38
20	40
21	41
22	44
23	48
24	50
25	52
26	64
27	65
28	66
29	68
30	69
31	70
32	72
33	80
34	81
35	88
36	96
37	98
38	104
39	128
40	129
41	130
42	132
43	133
44	134
45	137
46	140
47	144
48	145
49	152
50	160
51	161
52	176
53	192
54	194
55	196
56	200
57	208
58	256
59	257
60	258
61	260
62	261

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	8
8	9
9	12
10	16
11	17
12	18
13	20
14	24
15	32
16	33
17	34
18	37
19	38
20	40
21	41
22	44
23	48
24	50
25	52
26	64
27	65
28	66
29	68
30	69
31	70
32	72
33	80
34	81
35	88
36	96
37	98
38	104
39	128
40	129
41	130
42	132
43	133
44	134
45	137
46	140
47	144
48	145
49	152
50	160
51	161
52	176
53	192
54	194
55	196
56	200
57	208
58	256
59	257
60	258
61	260
62	261