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.

A270542 Numbers of the form (pq)^2, where p is the number of digits of n (A055642) and q is the sum of the digits of n (A007953).

Table of values

n a(n)
1 0
2 1
3 2704
4 5184
5 7744

List of values

[0, 1, 2704, 5184, 7744]

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

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