A053904 Numbers k such that k^2 contains only digits {1,5,8}.
1, 9, 109, 296848141, 4341833151859, 3399291958357679641, 2412237158970509643109
Offset: 1
Links
- P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
- H. Mishima Squares consisted of 3 different digits [From _Max Alekseyev_, May 21 2009]
Crossrefs
Cf. A053905.
Extensions
One more term from Jon E. Schoenfield, Sep 03 2006
Two more terms from Mishima's webpage added by Max Alekseyev, May 21 2009