1,1
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Cf. A030486.
Sequence in context: A065939 A077346 A045785 this_sequence A038692 A017330 A135509
Adjacent sequences: A030481 A030482 A030483 this_sequence A030485 A030486 A030487
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com)
Extended and corrected by author 03/2000.
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