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.

A330243 Numbers k such that the first digit of the decimal expansion of 2^k is 7.

Table of values

n a(n)
1 46
2 56
3 66
4 76
5 86
6 96
7 149
8 159
9 169
10 179
11 189
12 242
13 252
14 262
15 272
16 282
17 292
18 345
19 355
20 365
21 375
22 385
23 438
24 448
25 458
26 468
27 478
28 488
29 531
30 541
31 551
32 561
33 571
34 581
35 634
36 644
37 654
38 664
39 674
40 727
41 737
42 747
43 757
44 767
45 777
46 830
47 840
48 850
49 860
50 870
51 923
52 933
53 943
54 953

List of values

[46, 56, 66, 76, 86, 96, 149, 159, 169, 179, 189, 242, 252, 262, 272, 282, 292, 345, 355, 365, 375, 385, 438, 448, 458, 468, 478, 488, 531, 541, 551, 561, 571, 581, 634, 644, 654, 664, 674, 727, 737, 747, 757, 767, 777, 830, 840, 850, 860, 870, 923, 933, 943, 953]