0,1
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Cf. A053952.
Sequence in context: A075411 A114763 A069500 this_sequence A024058 A022919 A003393
Adjacent sequences: A053950 A053951 A053952 this_sequence A053954 A053955 A053956
nonn,base,more
Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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