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A053957
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Squares composed of digits {4,6,7}.
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2
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4, 64, 676, 7744, 4444667464644, 66667767777644764644, 767646664777467676766464, 6446477674444767467664676, 7446477664767776477464446664464, 64446474444746646444646744666444644
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Author?, Source(txt)
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
H. Mishima Squares consisted of 3 different digits [From Max Alekseyev (maxale(AT)gmail.com), May 07 2009]
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CROSSREFS
| Cf. A053956.
Sequence in context: A053959 A195800 A128782 * A145244 A026301 A010042
Adjacent sequences: A053954 A053955 A053956 * A053958 A053959 A053960
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KEYWORD
| nonn,base
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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 04 2005
One more term from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 04 2006
Two more terms from Mishima's website. Max Alekseyev (maxale(AT)gmail.com), May 07 2009
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