A053935 Squares composed of digits {2,8,9}.
9, 289, 29929, 8898289, 88998998929, 2999882888289, 29292889289882992929, 99299899998229989289, 29222988989999289998222889, 299988829289888292222928892882898892999989922922289
Offset: 1
Links
- Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences.
- Hisanori Mishima, Sporadic tridigital solutions.
- Author?, Source, (txt)
Crossrefs
Cf. A053934.
Formula
a(n) = A053934(n)^2. - Elmo R. Oliveira, Jul 18 2025
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
a(10) from Zhao Hui Du, Mar 10 2024