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A053920 Numbers n such that n^2 contains only digits {2,3,9}. 1
3, 173, 577, 1823, 4827, 3036823, 6271677, 96032923, 179721989173, 184207283323, 5415158292177, 1814641285211195673, 14940646884386874573 (list; graph; refs; listen; history; internal format)
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 12 2009]

CROSSREFS

Cf. A053921.

Sequence in context: A119117 A136473 A053930 * A125711 A113270 A091324

Adjacent sequences:  A053917 A053918 A053919 * A053921 A053922 A053923

KEYWORD

nonn,base,more

AUTHOR

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

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 page. Max Alekseyev (maxale(AT)gmail.com), Mar 12 2009

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Last modified February 13 18:31 EST 2012. Contains 205535 sequences.