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.

A131615 Numbers k such that the decimal expansion of 3^k contains no 7.

Table of values

n a(n)
1 0
2 1
3 2
4 4
5 5
6 8
7 9
8 10
9 12
10 13
11 17
12 21
13 22
14 24
15 26
16 30
17 32
18 33
19 36
20 42
21 46
22 66
23 101

List of values

[0, 1, 2, 4, 5, 8, 9, 10, 12, 13, 17, 21, 22, 24, 26, 30, 32, 33, 36, 42, 46, 66, 101]