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A053951
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Squares composed of digits {4,5,7}.
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2
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4, 7744, 47444544, 47775744, 57577744, 4755757444, 44547775545744, 7557757477754457744, 55744775754747577744, 74474545477575775744575745574544, 747554745554544455555455747745774457774554454557445577744
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn,base,more
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AUTHOR
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EXTENSIONS
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More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
One more term from Mishima's webpage added by Max Alekseyev, Jan 28 2012
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STATUS
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approved
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