A247356 - cp's OEIS frontend

A247356 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 = {sqrt(3)}, and { } = fractional part.

n	a(n)
1	3
2	5
3	7
4	16
5	17
6	19
7	22
8	23
9	30
10	32
11	33
12	41
13	45
14	49
15	56
16	61
17	67
18	74
19	75
20	76
21	88
22	90
23	91
24	98
25	99
26	101
27	105
28	108
29	115
30	116
31	117
32	120
33	125
34	131
35	137
36	138
37	140
38	141
39	154
40	158
41	164
42	167
43	170
44	172
45	175
46	178
47	185
48	188
49	189
50	193
51	194
52	199
53	203
54	221
55	230
56	231
57	234

[3, 5, 7, 16, 17, 19, 22, 23, 30, 32, 33, 41, 45, 49, 56, 61, 67, 74, 75, 76, 88, 90, 91, 98, 99, 101, 105, 108, 115, 116, 117, 120, 125, 131, 137, 138, 140, 141, 154, 158, 164, 167, 170, 172, 175, 178, 185, 188, 189, 193, 194, 199, 203, 221, 230, 231, 234]

cp's OEIS Frontend

A247356 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 = {sqrt(3)}, and { } = fractional part.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	16
5	17
6	19
7	22
8	23
9	30
10	32
11	33
12	41
13	45
14	49
15	56
16	61
17	67
18	74
19	75
20	76
21	88
22	90
23	91
24	98
25	99
26	101
27	105
28	108
29	115
30	116
31	117
32	120
33	125
34	131
35	137
36	138
37	140
38	141
39	154
40	158
41	164
42	167
43	170
44	172
45	175
46	178
47	185
48	188
49	189
50	193
51	194
52	199
53	203
54	221
55	230
56	231
57	234

n	a(n)
1	3
2	5
3	7
4	16
5	17
6	19
7	22
8	23
9	30
10	32
11	33
12	41
13	45
14	49
15	56
16	61
17	67
18	74
19	75
20	76
21	88
22	90
23	91
24	98
25	99
26	101
27	105
28	108
29	115
30	116
31	117
32	120
33	125
34	131
35	137
36	138
37	140
38	141
39	154
40	158
41	164
42	167
43	170
44	172
45	175
46	178
47	185
48	188
49	189
50	193
51	194
52	199
53	203
54	221
55	230
56	231
57	234

n	a(n)
1	3
2	5
3	7
4	16
5	17
6	19
7	22
8	23
9	30
10	32
11	33
12	41
13	45
14	49
15	56
16	61
17	67
18	74
19	75
20	76
21	88
22	90
23	91
24	98
25	99
26	101
27	105
28	108
29	115
30	116
31	117
32	120
33	125
34	131
35	137
36	138
37	140
38	141
39	154
40	158
41	164
42	167
43	170
44	172
45	175
46	178
47	185
48	188
49	189
50	193
51	194
52	199
53	203
54	221
55	230
56	231
57	234