1,1
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Cf. A053971.
Sequence in context: A037059 A065580 A072320 this_sequence A103062 A142730 A024044
Adjacent sequences: A053967 A053968 A053969 this_sequence A053971 A053972 A053973
nonn,base,more
Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
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