id:A058471 - OEIS Search Results

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Numbers n such that n^2 contains only digits {7,8,9}.

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3, 9949370777987917 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`P. De Geest, Index to related sequences` `Hisanori Mishima, Sporadic tridigital solutions`
	CROSSREFS	`Cf. A058472.` `Sequence in context: A036236 A058447 A058453 this_sequence A068740 A058473 A115527` `Adjacent sequences: A058468 A058469 A058470 this_sequence A058472 A058473 A058474`
	KEYWORD	`nonn,base,hard,more,bref`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.`

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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.