A139371 - cp's OEIS frontend

A139371 Let the binary expansion of n be n = Sum_{k} 2^{r_k}, let e(n) be the number of r_k's that are even, o(n) the number that are odd; sequence lists n such that e(n) <= o(n).

n	a(n)
1	0
2	2
3	3
4	6
5	8
6	9
7	10
8	11
9	12
10	14
11	15
12	18
13	24
14	26
15	27
16	30
17	32
18	33
19	34
20	35
21	36
22	38
23	39
24	40
25	41
26	42
27	43
28	44
29	45
30	46
31	47
32	48
33	50
34	51
35	54
36	56
37	57
38	58
39	59
40	60
41	62
42	63
43	66
44	72
45	74
46	75
47	78
48	90
49	96
50	98
51	99
52	102
53	104
54	105
55	106
56	107
57	108
58	110
59	111
60	114
61	120
62	122
63	123
64	126

[0, 2, 3, 6, 8, 9, 10, 11, 12, 14, 15, 18, 24, 26, 27, 30, 32, 33, 34, 35, 36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 54, 56, 57, 58, 59, 60, 62, 63, 66, 72, 74, 75, 78, 90, 96, 98, 99, 102, 104, 105, 106, 107, 108, 110, 111, 114, 120, 122, 123, 126]

cp's OEIS Frontend

A139371 Let the binary expansion of n be n = Sum_{k} 2^{r_k}, let e(n) be the number of r_k's that are even, o(n) the number that are odd; sequence lists n such that e(n) <= o(n).

Table of values

List of values

n	a(n)
1	0
2	2
3	3
4	6
5	8
6	9
7	10
8	11
9	12
10	14
11	15
12	18
13	24
14	26
15	27
16	30
17	32
18	33
19	34
20	35
21	36
22	38
23	39
24	40
25	41
26	42
27	43
28	44
29	45
30	46
31	47
32	48
33	50
34	51
35	54
36	56
37	57
38	58
39	59
40	60
41	62
42	63
43	66
44	72
45	74
46	75
47	78
48	90
49	96
50	98
51	99
52	102
53	104
54	105
55	106
56	107
57	108
58	110
59	111
60	114
61	120
62	122
63	123
64	126

n	a(n)
1	0
2	2
3	3
4	6
5	8
6	9
7	10
8	11
9	12
10	14
11	15
12	18
13	24
14	26
15	27
16	30
17	32
18	33
19	34
20	35
21	36
22	38
23	39
24	40
25	41
26	42
27	43
28	44
29	45
30	46
31	47
32	48
33	50
34	51
35	54
36	56
37	57
38	58
39	59
40	60
41	62
42	63
43	66
44	72
45	74
46	75
47	78
48	90
49	96
50	98
51	99
52	102
53	104
54	105
55	106
56	107
57	108
58	110
59	111
60	114
61	120
62	122
63	123
64	126

n	a(n)
1	0
2	2
3	3
4	6
5	8
6	9
7	10
8	11
9	12
10	14
11	15
12	18
13	24
14	26
15	27
16	30
17	32
18	33
19	34
20	35
21	36
22	38
23	39
24	40
25	41
26	42
27	43
28	44
29	45
30	46
31	47
32	48
33	50
34	51
35	54
36	56
37	57
38	58
39	59
40	60
41	62
42	63
43	66
44	72
45	74
46	75
47	78
48	90
49	96
50	98
51	99
52	102
53	104
54	105
55	106
56	107
57	108
58	110
59	111
60	114
61	120
62	122
63	123
64	126