1,1
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Cf. A031154.
Adjacent sequences: A031149 A031150 A031151 this_sequence A031153 A031154 A031155
Sequence in context: A060912 A050386 A001247 this_sequence A010845 A087660 A121660
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com)
Extended and corrected by author 03/2000.
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