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.

A053948 Numbers k such that k^2 contains only digits {3,6,9}.

Original entry on oeis.org

3, 6, 63, 264, 306, 1914, 3114, 31086, 81813, 190614, 251787, 310956, 184372811544, 631933060806, 3152295978114, 629836198308687, 2576231033241456, 18430047920827535573187, 31047286456844613647179386
Offset: 1

Views

Author

Patrick De Geest, Mar 15 2000

Keywords

Crossrefs

Cf. A053949.

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
Three more terms from Mishima's webpage added by Max Alekseyev, Jun 17 2011
One more term from Zhao Hui Du, Mar 01 2024