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A053968
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Numbers n such that n^2 contains only digits {5,6,7}.
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1
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OFFSET
| 1,1
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LINKS
| P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Author?, Source(txt)
H. Mishima, Squares consisted of 3 different digits
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CROSSREFS
| Cf. A053969.
Sequence in context: A097376 A079720 A053680 * A058627 A116203 A071833
Adjacent sequences: A053965 A053966 A053967 * A053969 A053970 A053971
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KEYWORD
| nonn,base,more
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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EXTENSIONS
| More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005
Two more terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 04 2006
Three more terms from Mishima's website added by Max Alekseyev (maxale(AT)gmail.com), May 02 2011
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