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.

A217185 a(n) is the number of digits in the decimal representation of the smallest power of 2 that contains n consecutive identical digits.

Table of values

n a(n)
1 1
2 5
3 8
4 13
5 67
6 293
7 293
8 2576
9 12790
10 12790
11 81874
12 312865
13 520061
14 2063822

List of values

[1, 5, 8, 13, 67, 293, 293, 2576, 12790, 12790, 81874, 312865, 520061, 2063822]