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.

A068187 a(n) is the smallest number such that the product of its decimal digits equals n^n, or 0 if no solutions exist.

Table of values

n a(n)
1 1
2 4
3 39
4 488
5 55555
6 88999
7 7777777
8 88888888
9 999999999
10 25555555555888
11 0
12 88888888999999
13 0
14 4777777777777778888
15 35555555555555559999999
16 2888888888888888888888
17 0
18 888888999999999999999999
19 0
20 2555555555555555555558888888888888
21 37777777777777777777779999999999

List of values

[1, 4, 39, 488, 55555, 88999, 7777777, 88888888, 999999999, 25555555555888, 0, 88888888999999, 0, 4777777777777778888, 35555555555555559999999, 2888888888888888888888, 0, 888888999999999999999999, 0, 2555555555555555555558888888888888, 37777777777777777777779999999999]

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

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