A017959 - OEIS

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A017959

Powers of sqrt(18) rounded to nearest integer.

1, 4, 18, 76, 324, 1375, 5832, 24743, 104976, 445375, 1889568, 8016758, 34012224, 144301645, 612220032, 2597429617, 11019960576, 46753733110, 198359290368, 841567195983, 3570467226624, 15148209527701 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..1000`
	MATHEMATICA	`Floor[(Sqrt[18])^Range[0, 25]+1/2] (* Vincenzo Librandi, Nov 20 2011 *)`
	PROG	`(PARI) a(n)=round(sqrt(18)^n) \\ Charles R Greathouse IV, Nov 18 2011` `(MAGMA) [Round(Sqrt(18)^n): n in [0..30]]; // Vincenzo Librandi, Nov 20 2011`
	CROSSREFS	`Sequence in context: A048664 A108012 A017958 * A100069 A058870 A112619` `Adjacent sequences: A017956 A017957 A017958 * A017960 A017961 A017962`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.