OFFSET
1,1
LINKS
Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences
H. Mishima Squares consisted of 3 different digits [From Max Alekseyev, Mar 10 2009]
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
Two more terms from Mishima's page added by Max Alekseyev, Mar 10 2009
a(9) from Zhao Hui Du, Mar 09 2024
STATUS
approved