A371970 - cp's OEIS frontend

A371970 Exponents k such that the binary expansion of 3^k has an even number of ones.

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	9
8	12
9	14
10	17
11	18
12	21
13	23
14	24
15	25
16	26
17	27
18	31
19	32
20	33
21	35
22	37
23	38
24	39
25	40
26	42
27	44
28	45
29	47
30	51
31	52
32	55
33	57
34	58
35	59
36	60
37	61
38	64
39	70
40	71
41	72
42	73
43	74
44	75
45	76
46	77
47	78
48	79
49	81
50	96
51	99
52	102
53	104
54	105
55	106
56	109
57	112
58	116
59	127
60	131
61	132
62	133
63	134
64	135
65	136

[1, 2, 3, 5, 6, 8, 9, 12, 14, 17, 18, 21, 23, 24, 25, 26, 27, 31, 32, 33, 35, 37, 38, 39, 40, 42, 44, 45, 47, 51, 52, 55, 57, 58, 59, 60, 61, 64, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 81, 96, 99, 102, 104, 105, 106, 109, 112, 116, 127, 131, 132, 133, 134, 135, 136]

cp's OEIS Frontend

A371970 Exponents k such that the binary expansion of 3^k has an even number of ones.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	9
8	12
9	14
10	17
11	18
12	21
13	23
14	24
15	25
16	26
17	27
18	31
19	32
20	33
21	35
22	37
23	38
24	39
25	40
26	42
27	44
28	45
29	47
30	51
31	52
32	55
33	57
34	58
35	59
36	60
37	61
38	64
39	70
40	71
41	72
42	73
43	74
44	75
45	76
46	77
47	78
48	79
49	81
50	96
51	99
52	102
53	104
54	105
55	106
56	109
57	112
58	116
59	127
60	131
61	132
62	133
63	134
64	135
65	136

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	9
8	12
9	14
10	17
11	18
12	21
13	23
14	24
15	25
16	26
17	27
18	31
19	32
20	33
21	35
22	37
23	38
24	39
25	40
26	42
27	44
28	45
29	47
30	51
31	52
32	55
33	57
34	58
35	59
36	60
37	61
38	64
39	70
40	71
41	72
42	73
43	74
44	75
45	76
46	77
47	78
48	79
49	81
50	96
51	99
52	102
53	104
54	105
55	106
56	109
57	112
58	116
59	127
60	131
61	132
62	133
63	134
64	135
65	136

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	9
8	12
9	14
10	17
11	18
12	21
13	23
14	24
15	25
16	26
17	27
18	31
19	32
20	33
21	35
22	37
23	38
24	39
25	40
26	42
27	44
28	45
29	47
30	51
31	52
32	55
33	57
34	58
35	59
36	60
37	61
38	64
39	70
40	71
41	72
42	73
43	74
44	75
45	76
46	77
47	78
48	79
49	81
50	96
51	99
52	102
53	104
54	105
55	106
56	109
57	112
58	116
59	127
60	131
61	132
62	133
63	134
64	135
65	136