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Search: id:A053962
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A053962 Numbers n such that n^2 contains only digits {4,7,8}. +0
2
2, 22, 28, 88, 86478, 94227622, 9208064263934568938, 22019193553462506122 (list; graph; listen)
OFFSET

1,1

LINKS

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), Mar 10 2009]

CROSSREFS

Cf. A053963.

Sequence in context: A074160 A137074 A137106 this_sequence A111771 A052001 A085185

Adjacent sequences: A053959 A053960 A053961 this_sequence A053963 A053964 A053965

KEYWORD

nonn,base,more

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.

EXTENSIONS

Two more terms from Mishima's page. Max Alekseyev (maxale(AT)gmail.com), Mar 10 2009

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.


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