1,1
Author?, Source(txt)
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Cf. A053941.
Sequence in context: A019593 A060108 A080142 this_sequence A123061 A050853 A105237
Adjacent sequences: A053937 A053938 A053939 this_sequence A053941 A053942 A053943
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 04 2005
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