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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.

A068186 a(n) is the largest number whose product of decimal digits equals n^n.

Table of values

n a(n)
2 22
3 333
4 22222222
5 55555
6 333333222222
7 7777777
8 222222222222222222222222
9 333333333333333333
10 55555555552222222222
11 0
12 333333333333222222222222222222222222
13 0
14 7777777777777722222222222222

List of values

[22, 333, 22222222, 55555, 333333222222, 7777777, 222222222222222222222222, 333333333333333333, 55555555552222222222, 0, 333333333333222222222222222222222222, 0, 7777777777777722222222222222]

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

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