A053971 Squares composed of digits {5,6,9}.

9, 55696, 69696, 695556, 9696996, 6999999556, 5956596696996, 956655965556695569, 996599569656965569, 9595996595655556969, 5655569966969596565956, 695595569965566559565695699695655696

Offset

1,1

Links

Table of n, a(n) for n=1..12.

Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences.

Hisanori Mishima Squares consisted of 3 different digits.

Formula

a(n) = A053970(n)^2. - Elmo R. Oliveira, Jul 18 2025

Crossrefs

Cf. A053970.

Sequence in context: A198478 A159398 A321581 * A013790 A271103 A058452

Adjacent sequences: A053968 A053969 A053970 * A053972 A053973 A053974

Keyword

nonn,base,more

Author

Patrick De Geest, Mar 15 2000

Extensions

a(10)-a(11) from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005

a(12) from Mishima's page added by Max Alekseyev, Mar 25 2009

Status

approved