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.

A053962 Numbers k such that k^2 contains only digits {4,7,8}.

Original entry on oeis.org

2, 22, 28, 88, 86478, 94227622, 9208064263934568938, 22019193553462506122, 6984617991328143315228383028
Offset: 1

Views

Author

Patrick De Geest, Mar 15 2000

Keywords

Crossrefs

Cf. A053963.

Extensions

Two more terms from Mishima's page added by Max Alekseyev, Mar 10 2009
a(9) from Zhao Hui Du, Mar 09 2024