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.

A328375 Numbers k such that the decimal expansion of 2^k contains the substring 777.

Table of values

n a(n)
1 24
2 40
3 75
4 152
5 166
6 179
7 181
8 191
9 194
10 199
11 214
12 230
13 235
14 260
15 282
16 296
17 304
18 311
19 317
20 323
21 326
22 332
23 342
24 345
25 363
26 370
27 374
28 390
29 417
30 424
31 426
32 443
33 455
34 468
35 471
36 474
37 475
38 483
39 489
40 490
41 505
42 512
43 523
44 524
45 536
46 540
47 559
48 567
49 581
50 584
51 585
52 588
53 593

List of values

[24, 40, 75, 152, 166, 179, 181, 191, 194, 199, 214, 230, 235, 260, 282, 296, 304, 311, 317, 323, 326, 332, 342, 345, 363, 370, 374, 390, 417, 424, 426, 443, 455, 468, 471, 474, 475, 483, 489, 490, 505, 512, 523, 524, 536, 540, 559, 567, 581, 584, 585, 588, 593]