id:A053912 - OEIS Search Results

Search: id:A053912

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Numbers n such that n^2 contains only digits {1,7,8}.

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1, 9, 109, 280859, 105769141, 279067891 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences`
	CROSSREFS	`Cf. A053913.` `Adjacent sequences: A053909 A053910 A053911 this_sequence A053913 A053914 A053915` `Sequence in context: A058421 A128876 A105974 this_sequence A053894 A053904 A058607`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.