A247458 - cp's OEIS frontend

A247458 Numbers k such that d(r,k) = 1 and d(s,k) = 1, where d(x,k) = k-th binary digit of x, r = {sqrt(2)}, s = {3*sqrt(2)}, and { } = fractional part.

n	a(n)
1	3
2	5
3	7
4	13
5	16
6	17
7	19
8	23
9	27
10	30
11	31
12	32
13	33
14	34
15	36
16	39
17	40
18	43
19	44
20	46
21	50
22	53
23	56
24	61
25	68
26	73
27	74
28	75
29	76
30	80
31	84
32	87
33	91
34	94
35	97
36	99
37	101
38	103
39	105
40	114
41	115
42	116
43	118
44	120
45	123
46	124
47	125
48	127
49	131
50	132
51	137
52	140
53	141
54	142
55	146
56	154
57	156
58	158
59	160

[3, 5, 7, 13, 16, 17, 19, 23, 27, 30, 31, 32, 33, 34, 36, 39, 40, 43, 44, 46, 50, 53, 56, 61, 68, 73, 74, 75, 76, 80, 84, 87, 91, 94, 97, 99, 101, 103, 105, 114, 115, 116, 118, 120, 123, 124, 125, 127, 131, 132, 137, 140, 141, 142, 146, 154, 156, 158, 160]

cp's OEIS Frontend

A247458 Numbers k such that d(r,k) = 1 and d(s,k) = 1, where d(x,k) = k-th binary digit of x, r = {sqrt(2)}, s = {3*sqrt(2)}, and { } = fractional part.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	13
5	16
6	17
7	19
8	23
9	27
10	30
11	31
12	32
13	33
14	34
15	36
16	39
17	40
18	43
19	44
20	46
21	50
22	53
23	56
24	61
25	68
26	73
27	74
28	75
29	76
30	80
31	84
32	87
33	91
34	94
35	97
36	99
37	101
38	103
39	105
40	114
41	115
42	116
43	118
44	120
45	123
46	124
47	125
48	127
49	131
50	132
51	137
52	140
53	141
54	142
55	146
56	154
57	156
58	158
59	160

n	a(n)
1	3
2	5
3	7
4	13
5	16
6	17
7	19
8	23
9	27
10	30
11	31
12	32
13	33
14	34
15	36
16	39
17	40
18	43
19	44
20	46
21	50
22	53
23	56
24	61
25	68
26	73
27	74
28	75
29	76
30	80
31	84
32	87
33	91
34	94
35	97
36	99
37	101
38	103
39	105
40	114
41	115
42	116
43	118
44	120
45	123
46	124
47	125
48	127
49	131
50	132
51	137
52	140
53	141
54	142
55	146
56	154
57	156
58	158
59	160

n	a(n)
1	3
2	5
3	7
4	13
5	16
6	17
7	19
8	23
9	27
10	30
11	31
12	32
13	33
14	34
15	36
16	39
17	40
18	43
19	44
20	46
21	50
22	53
23	56
24	61
25	68
26	73
27	74
28	75
29	76
30	80
31	84
32	87
33	91
34	94
35	97
36	99
37	101
38	103
39	105
40	114
41	115
42	116
43	118
44	120
45	123
46	124
47	125
48	127
49	131
50	132
51	137
52	140
53	141
54	142
55	146
56	154
57	156
58	158
59	160