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.

A053897 Squares composed of digits {1,4,5}.

Original entry on oeis.org

1, 4, 144, 441, 1444, 115111441, 1551414544, 441411414544, 115414455444544, 41155551514151451441, 114515541511151545444, 5115115541555411411554441, 5411144145154411455544144144
Offset: 1

Views

Author

Patrick De Geest, Mar 15 2000

Keywords

Crossrefs

Cf. A053896.

Formula

a(n) = A053896(n)^2. - Elmo R. Oliveira, Jul 18 2025

Extensions

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
Two more terms from Jon E. Schoenfield, Sep 03 2006