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.

A348556 Binary expansion contains 4 adjacent 1's.

Table of values

n a(n)
1 15
2 30
3 31
4 47
5 60
6 61
7 62
8 63
9 79
10 94
11 95
12 111
13 120
14 121
15 122
16 123
17 124
18 125
19 126
20 127
21 143
22 158
23 159
24 175
25 188
26 189
27 190
28 191
29 207
30 222
31 223
32 239
33 240
34 241
35 242
36 243
37 244
38 245
39 246
40 247
41 248
42 249
43 250
44 251
45 252
46 253
47 254
48 255
49 271
50 286
51 287
52 303
53 316
54 317
55 318

List of values

[15, 30, 31, 47, 60, 61, 62, 63, 79, 94, 95, 111, 120, 121, 122, 123, 124, 125, 126, 127, 143, 158, 159, 175, 188, 189, 190, 191, 207, 222, 223, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 271, 286, 287, 303, 316, 317, 318]