id:A081065 - OEIS Search Results

Search: id:A081065

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Numbers n such that n^2= (1/3)*(n+floor(sqrt(3)*n*floor(sqrt(3)*n))).

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2, 24, 330, 4592, 63954, 890760, 12406682, 172802784, 2406832290, 33522849272, 466913057514, 6503259955920, 90578726325362, 1261598908599144, 17571805994062650, 244743685008277952, 3408839784121828674 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=15a(n-1)-15a(n-2)+a(n-3)`
	CROSSREFS	`Cf. A046090.` `Sequence in context: A001864 A099045 A013523 this_sequence A043699 A134805 A119702` `Adjacent sequences: A081062 A081063 A081064 this_sequence A081066 A081067 A081068`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 15 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research