A053945 Squares composed of digits {3,5,6}.

36, 65536, 553536, 3363556, 353665636, 536663556, 555356356, 65635365636, 5556363553636, 6366366663556, 35336365356333636, 5336553536556563556, 365633633635356536356, 635533355333363665566555556, 553563335635333565566365536366656

Offset: 1

Author

Patrick De Geest, Mar 15 2000

Keywords

• nonn
• base
• more

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. A053944.

Formula

a(n) = A053944(n)^2. - Elmo R. Oliveira, Jul 17 2025

Extensions

One more term from Ryan H. Richter (bobort(AT)bigfoot.com), Jan 25 2001

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005

a(14)-a(15) from Mishima's website added by Elmo R. Oliveira, Jul 17 2025