1,2
Author?, Source(txt)
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Cf. A053897.
Sequence in context: A053898 A058413 A053890 this_sequence A155890 A077410 A063599
Adjacent sequences: A053893 A053894 A053895 this_sequence A053897 A053898 A053899
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
Two more terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 03 2006
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