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.

A053935 Squares composed of digits {2,8,9}.

Original entry on oeis.org

9, 289, 29929, 8898289, 88998998929, 2999882888289, 29292889289882992929, 99299899998229989289, 29222988989999289998222889, 299988829289888292222928892882898892999989922922289
Offset: 1

Views

Author

Patrick De Geest, Mar 15 2000

Keywords

Crossrefs

Cf. A053934.

Formula

a(n) = A053934(n)^2. - Elmo R. Oliveira, Jul 18 2025

Extensions

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
One more term from Jon E. Schoenfield, Sep 04 2006
a(10) from Zhao Hui Du, Mar 10 2024