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.

A053956 Numbers k such that k^2 contains only digits {4,6,7}.

Original entry on oeis.org

2, 8, 26, 88, 2108238, 8165033238, 876154475408, 2538991467974, 2728823494615908, 253863101778786762, 815277035409723028858892
Offset: 1

Views

Author

Patrick De Geest, Mar 15 2000

Keywords

Links

Crossrefs

Cf. A053957.

Extensions

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
One more term from Jon E. Schoenfield, Sep 04 2006
Three more terms from Mishima's website added by Max Alekseyev, May 07 2009

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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