0,1
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Cf. A053942.
Sequence in context: A053965 A058444 A053925 this_sequence A053955 A038340 A016489
Adjacent sequences: A053940 A053941 A053942 this_sequence A053944 A053945 A053946
nonn,base,more
Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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