OFFSET
1,1
LINKS
Patrick De Geest, Index to related sequences.
Hisanori Mishima, Sporadic tridigital solutions.
FORMULA
a(n) = A058457(n)^2. - Elmo R. Oliveira, Jul 18 2025
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Nov 15 2000
EXTENSIONS
a(5) from Zhao Hui Du, Mar 09 2024
STATUS
approved
