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.

A254500 a(n) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 5's.

Table of values

n a(n)
0 0
1 7
2 17
3 70
4 111
5 258
6 689
7 454
8 7133
9 15977
10 82869
11 111044
12 536687
13 384769
14 2750561
15 7063105

List of values

[0, 7, 17, 70, 111, 258, 689, 454, 7133, 15977, 82869, 111044, 536687, 384769, 2750561, 7063105]