A053914 Numbers k such that k^2 contains only digits {1,8,9}.
1, 3, 9, 109, 141, 10583, 34641, 44510583, 105741141, 942926927083, 4346471925583, 2969848344609859
Offset: 1
Links
- P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
- Author?, Source, (txt)
- H. Mishima, Sporadic tridigital solutions
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