1,1

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

Author?, Source(txt)

Cf. A053968.

Sequence in context: A069421 A136111 A131982 this_sequence A109101 A064253 A069266

Adjacent sequences: A053966 A053967 A053968 this_sequence A053970 A053971 A053972

nonn,base,more

Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.

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

Two more terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 04 2006