A053754 - cp's OEIS frontend

A053754 If k is in the sequence then 2k and 2k+1 are not (and 0 is in the sequence); when written in binary k has an even number of bits (0 has 0 digits).

n	a(n)
1	0
2	2
3	3
4	8
5	9
6	10
7	11
8	12
9	13
10	14
11	15
12	32
13	33
14	34
15	35
16	36
17	37
18	38
19	39
20	40
21	41
22	42
23	43
24	44
25	45
26	46
27	47
28	48
29	49
30	50
31	51
32	52
33	53
34	54
35	55
36	56
37	57
38	58
39	59
40	60
41	61
42	62
43	63
44	128
45	129
46	130
47	131
48	132
49	133
50	134
51	135
52	136
53	137
54	138
55	139
56	140
57	141
58	142
59	143
60	144
61	145
62	146
63	147
64	148

[0, 2, 3, 8, 9, 10, 11, 12, 13, 14, 15, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148]

cp's OEIS Frontend

A053754 If k is in the sequence then 2k and 2k+1 are not (and 0 is in the sequence); when written in binary k has an even number of bits (0 has 0 digits).

Table of values

List of values

n	a(n)
1	0
2	2
3	3
4	8
5	9
6	10
7	11
8	12
9	13
10	14
11	15
12	32
13	33
14	34
15	35
16	36
17	37
18	38
19	39
20	40
21	41
22	42
23	43
24	44
25	45
26	46
27	47
28	48
29	49
30	50
31	51
32	52
33	53
34	54
35	55
36	56
37	57
38	58
39	59
40	60
41	61
42	62
43	63
44	128
45	129
46	130
47	131
48	132
49	133
50	134
51	135
52	136
53	137
54	138
55	139
56	140
57	141
58	142
59	143
60	144
61	145
62	146
63	147
64	148

n	a(n)
1	0
2	2
3	3
4	8
5	9
6	10
7	11
8	12
9	13
10	14
11	15
12	32
13	33
14	34
15	35
16	36
17	37
18	38
19	39
20	40
21	41
22	42
23	43
24	44
25	45
26	46
27	47
28	48
29	49
30	50
31	51
32	52
33	53
34	54
35	55
36	56
37	57
38	58
39	59
40	60
41	61
42	62
43	63
44	128
45	129
46	130
47	131
48	132
49	133
50	134
51	135
52	136
53	137
54	138
55	139
56	140
57	141
58	142
59	143
60	144
61	145
62	146
63	147
64	148

cp's OEIS Frontend

A053754 If k is in the sequence then 2*k and 2*k+1 are not (and 0 is in the sequence); when written in binary k has an even number of bits (0 has 0 digits).

Table of values

List of values

A053754 If k is in the sequence then 2k and 2k+1 are not (and 0 is in the sequence); when written in binary k has an even number of bits (0 has 0 digits).

n	a(n)
1	0
2	2
3	3
4	8
5	9
6	10
7	11
8	12
9	13
10	14
11	15
12	32
13	33
14	34
15	35
16	36
17	37
18	38
19	39
20	40
21	41
22	42
23	43
24	44
25	45
26	46
27	47
28	48
29	49
30	50
31	51
32	52
33	53
34	54
35	55
36	56
37	57
38	58
39	59
40	60
41	61
42	62
43	63
44	128
45	129
46	130
47	131
48	132
49	133
50	134
51	135
52	136
53	137
54	138
55	139
56	140
57	141
58	142
59	143
60	144
61	145
62	146
63	147
64	148