A058461 - OEIS

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A058461

Numbers n such that n^2 contains only digits {2,6,7}.

26, 526, 1636345826, 512130136076, 150573163864701424 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`P. De Geest, Index to related sequences` `Hisanori Mishima, Sporadic tridigital solutions`
	CROSSREFS	`Cf. A058462.` `Sequence in context: A001723 A163201 A205990 * A160059 A197123 A203598` `Adjacent sequences: A058458 A058459 A058460 * A058462 A058463 A058464`
	KEYWORD	`nonn,base,hard,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.`
	EXTENSIONS	`a(5) (from the Mishima web site) sent by Max Alekseyev, Jan 11 2007`

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Last modified February 15 14:57 EST 2012. Contains 205823 sequences.