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A053969
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Squares composed of digits {5,6,7}.
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2
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576, 676, 5776, 756767765776, 6667676657766656676, 5677575655766577766776565776, 5757665766657575655756675556, 665556775565576667756557666775667776, 777666657567776675657756675676567555755556, 6565656667556566576676575665776756666556676
(list; graph; refs; listen; history; internal format)
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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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FORMULA
| a(n) = A053968(n)^2.
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CROSSREFS
| Cf. A053968.
Sequence in context: A136111 A199549 A131982 * A109101 A064253 A069266
Adjacent sequences: A053966 A053967 A053968 * A053970 A053971 A053972
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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 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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