A053959 Squares composed of digits {4,6,8}.
4, 64, 484, 8464, 68644, 8868484, 66686864644, 648446888644, 84488488664644, 6688684484846884, 484468468684686864, 6486486884468464644, 8666684686666444646464, 6868846444484868668464644, 686666466846666884868486448488884846884
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. A053958.
Formula
a(n) = A053958(n)^2. - Elmo R. Oliveira, Jul 16 2025
Extensions
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005
One more term from Jon E. Schoenfield, Sep 04 2006
a(15) from Mishima's website added by Elmo R. Oliveira, Jul 16 2025