A053904 - OEIS

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A053904

Numbers n such that n^2 contains only digits {1,5,8}.

1, 9, 109, 296848141, 4341833151859, 3399291958357679641, 2412237158970509643109 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	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), May 21 2009]`
	CROSSREFS	`Cf. A053905.` `Sequence in context: A105974 A053912 A053894 * A058607 A082723 A143167` `Adjacent sequences: A053901 A053902 A053903 * A053905 A053906 A053907`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.`
	EXTENSIONS	`One more term from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 03 2006` `Two more terms from Mishima's webpage. Max Alekseyev (maxale(AT)gmail.com), May 21 2009`

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Last modified February 13 09:55 EST 2012. Contains 205451 sequences.