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.

A257534 Numbers n such that the decimal expansions of both n and n^2 have 4 as the digit with the smallest value and 7 as the digit with the largest value.

Table of values

n a(n)
1 74
2 74476
3 74474476

List of values

[74, 74476, 74474476]

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

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