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.

A053914 Numbers k such that k^2 contains only digits {1,8,9}.

Original entry on oeis.org

1, 3, 9, 109, 141, 10583, 34641, 44510583, 105741141, 942926927083, 4346471925583, 2969848344609859
Offset: 1

Views

Author

Patrick De Geest, Mar 15 2000

Keywords

Crossrefs

Cf. A053915.

Extensions

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
One more term from Jon E. Schoenfield, Sep 03 2006
One more term from Mishima's webpage added by Max Alekseyev, Jan 28 2012