OFFSET
1,1
REFERENCES
Elena Deza and Michel Marie Deza, Figurate numbers, World Scientific Publishing (2012), page 423.
LINKS
Zhao Hui Du, Table of n, a(n) for n = 1..24
Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences.
Hisanori Mishima, Sporadic tridigital solutions.
Eric Weisstein's World of Mathematics, Square Number.
FORMULA
a(n) = A030177(n)^2. - Elmo R. Oliveira, Jul 16 2025
CROSSREFS
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
STATUS
approved
