A058462 Squares composed of digits {2,6,7}.
676, 276676, 2677627662267622276, 262277276277222276677776, 22672277676226226672276776667627776
Offset: 1
Links
- Patrick De Geest, Index to related sequences.
- Hisanori Mishima, Sporadic tridigital solutions.
Crossrefs
Cf. A058461.
Formula
a(n) = A058461(n)^2. - Elmo R. Oliveira, Jul 16 2025
Extensions
a(5) from Mishima's website added by Elmo R. Oliveira, Jul 16 2025