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.

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A058456 Squares composed of digits {0,8,9}, not ending with zero.

Original entry on oeis.org

9, 80089, 90809009099908808089808090889, 89898988900998890088080098089989880890999988989999809
Offset: 1

Views

Author

Patrick De Geest, Nov 15 2000

Keywords

Links

Crossrefs

Cf. A058455.

Formula

a(n) = A058455(n)^2. - Elmo R. Oliveira, Jul 18 2025

Extensions

a(4) from Zhao Hui Du, Feb 28 2024
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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