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.

A351928 Smallest positive integer k such that 2^k has no '2' in the last n digits of its ternary expansion.

Table of values

n a(n)
1 2
2 2
3 6
4 8
5 8
6 8
7 20
8 24
9 24
10 24
11 72
12 186
13 186
14 332
15 332
16 1134
17 1134
18 1134
19 1134
20 1134
21 1134
22 25458
23 25458
24 25458
25 25458
26 25458
27 25458
28 159140
29 249968
30 249968
31 249968
32 249968
33 249968
34 249968
35 249968
36 249968
37 9076914
38 9076914
39 9076914
40 9076914
41 9076914
42 9076914
43 90062678

List of values

[2, 2, 6, 8, 8, 8, 20, 24, 24, 24, 72, 186, 186, 332, 332, 1134, 1134, 1134, 1134, 1134, 1134, 25458, 25458, 25458, 25458, 25458, 25458, 159140, 249968, 249968, 249968, 249968, 249968, 249968, 249968, 249968, 9076914, 9076914, 9076914, 9076914, 9076914, 9076914, 90062678]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.