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.

A217186 a(n) is the number of digits in the decimal representation of the smallest power of 3 that contains n consecutive identical digits.

Table of values

n a(n)
1 1
2 6
3 16
4 16
5 131
6 257
7 1014
8 3684
9 10875
10 51142
11 51142
12 304989

List of values

[1, 6, 16, 16, 131, 257, 1014, 3684, 10875, 51142, 51142, 304989]