1,1
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Cf. A053943.
Sequence in context: A087311 A053924 A130060 this_sequence A053954 A063869 A079637
Adjacent sequences: A053939 A053940 A053941 this_sequence A053943 A053944 A053945
nonn,base,more
Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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