cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A247634 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(8)}, and { } = fractional part.

Table of values

n a(n)
1 2
2 16
3 17
4 18
5 22
6 26
7 30
8 31
9 32
10 33
11 34
12 35
13 39
14 40
15 43
16 44
17 45
18 49
19 67
20 73
21 74
22 75
23 76
24 79
25 87
26 90
27 94
28 97
29 98
30 114
31 115
32 116
33 117
34 123
35 124
36 125
37 126
38 131
39 132
40 137
41 140
42 141
43 142
44 145
45 154
46 155
47 170
48 171
49 174
50 175
51 188
52 192
53 193
54 196
55 205
56 206
57 207
58 212

List of values

[2, 16, 17, 18, 22, 26, 30, 31, 32, 33, 34, 35, 39, 40, 43, 44, 45, 49, 67, 73, 74, 75, 76, 79, 87, 90, 94, 97, 98, 114, 115, 116, 117, 123, 124, 125, 126, 131, 132, 137, 140, 141, 142, 145, 154, 155, 170, 171, 174, 175, 188, 192, 193, 196, 205, 206, 207, 212]