A058462 Squares composed of digits {2,6,7}.

676, 276676, 2677627662267622276, 262277276277222276677776, 22672277676226226672276776667627776

Offset

1,1

Links

Table of n, a(n) for n=1..5.

Patrick De Geest, Index to related sequences.

Hisanori Mishima, Sporadic tridigital solutions.

Formula

a(n) = A058461(n)^2. - Elmo R. Oliveira, Jul 16 2025

Crossrefs

Cf. A058461.

Sequence in context: A028818 A203541 A014759 * A058450 A159893 A142755

Adjacent sequences: A058459 A058460 A058461 * A058463 A058464 A058465

Keyword

nonn,base,hard,more

Author

Patrick De Geest, Nov 15 2000

Extensions

a(5) from Mishima's website added by Elmo R. Oliveira, Jul 16 2025

Status

approved