1,1
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Author?, Source(txt)
Cf. A053939.
Sequence in context: A140257 A204546 A192534 * A102381 A075998 A007849
Adjacent sequences: A053935 A053936 A053937 * A053939 A053940 A053941
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
One more term from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 04 2006