A006364 - cp's OEIS frontend

A006364 Numbers k with an even number of 1's in binary, ignoring last bit.

n	a(n)
1	0
2	1
3	6
4	7
5	10
6	11
7	12
8	13
9	18
10	19
11	20
12	21
13	24
14	25
15	30
16	31
17	34
18	35
19	36
20	37
21	40
22	41
23	46
24	47
25	48
26	49
27	54
28	55
29	58
30	59
31	60
32	61
33	66
34	67
35	68
36	69
37	72
38	73
39	78
40	79
41	80
42	81
43	86
44	87
45	90
46	91
47	92
48	93
49	96
50	97
51	102
52	103
53	106
54	107
55	108
56	109
57	114
58	115
59	116
60	117
61	120
62	121
63	126
64	127
65	130
66	131
67	132

[0, 1, 6, 7, 10, 11, 12, 13, 18, 19, 20, 21, 24, 25, 30, 31, 34, 35, 36, 37, 40, 41, 46, 47, 48, 49, 54, 55, 58, 59, 60, 61, 66, 67, 68, 69, 72, 73, 78, 79, 80, 81, 86, 87, 90, 91, 92, 93, 96, 97, 102, 103, 106, 107, 108, 109, 114, 115, 116, 117, 120, 121, 126, 127, 130, 131, 132]

cp's OEIS Frontend

A006364 Numbers k with an even number of 1's in binary, ignoring last bit.

Table of values

List of values

n	a(n)
1	0
2	1
3	6
4	7
5	10
6	11
7	12
8	13
9	18
10	19
11	20
12	21
13	24
14	25
15	30
16	31
17	34
18	35
19	36
20	37
21	40
22	41
23	46
24	47
25	48
26	49
27	54
28	55
29	58
30	59
31	60
32	61
33	66
34	67
35	68
36	69
37	72
38	73
39	78
40	79
41	80
42	81
43	86
44	87
45	90
46	91
47	92
48	93
49	96
50	97
51	102
52	103
53	106
54	107
55	108
56	109
57	114
58	115
59	116
60	117
61	120
62	121
63	126
64	127
65	130
66	131
67	132

n	a(n)
1	0
2	1
3	6
4	7
5	10
6	11
7	12
8	13
9	18
10	19
11	20
12	21
13	24
14	25
15	30
16	31
17	34
18	35
19	36
20	37
21	40
22	41
23	46
24	47
25	48
26	49
27	54
28	55
29	58
30	59
31	60
32	61
33	66
34	67
35	68
36	69
37	72
38	73
39	78
40	79
41	80
42	81
43	86
44	87
45	90
46	91
47	92
48	93
49	96
50	97
51	102
52	103
53	106
54	107
55	108
56	109
57	114
58	115
59	116
60	117
61	120
62	121
63	126
64	127
65	130
66	131
67	132

n	a(n)
1	0
2	1
3	6
4	7
5	10
6	11
7	12
8	13
9	18
10	19
11	20
12	21
13	24
14	25
15	30
16	31
17	34
18	35
19	36
20	37
21	40
22	41
23	46
24	47
25	48
26	49
27	54
28	55
29	58
30	59
31	60
32	61
33	66
34	67
35	68
36	69
37	72
38	73
39	78
40	79
41	80
42	81
43	86
44	87
45	90
46	91
47	92
48	93
49	96
50	97
51	102
52	103
53	106
54	107
55	108
56	109
57	114
58	115
59	116
60	117
61	120
62	121
63	126
64	127
65	130
66	131
67	132