A053917 Squares composed of digits {2,3,4}.

4, 324, 232324, 34433424, 434222244, 43342243344, 242223434244, 43323224233444, 4222343433322242244, 42223424423443333243223342224

Offset

1,1

Links

Table of n, a(n) for n=1..10.

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

Hisanori Mishima, Sporadic tridigital solutions. [From Max Alekseyev, Feb 06 2010]

Author?, Source(txt)

Formula

a(n) = A053916(n)^2. - Elmo R. Oliveira, Jul 18 2025

Crossrefs

Cf. A053916.

Sequence in context: A159492 A368619 A368369 * A005832 A195501 A075768

Adjacent sequences: A053914 A053915 A053916 * A053918 A053919 A053920

Keyword

nonn,base,more

Author

Patrick De Geest, Mar 15 2000

Extensions

a(9) from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005

a(10) from Mishima's page added by Max Alekseyev, Feb 06 2010

Status

approved