A017919 - OEIS

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A017919

Powers of sqrt(5) rounded down.

1, 2, 5, 11, 25, 55, 125, 279, 625, 1397, 3125, 6987, 15625, 34938, 78125, 174692, 390625, 873464, 1953125, 4367320, 9765625, 21836601, 48828125, 109183006, 244140625, 545915033, 1220703125, 2729575167 (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[5])^Range[0, 40]] (* Vincenzo Librandi, Nov 20 2011 *)`
	PROG	`(PARI) a(n)=sqrtint(5^n) \\ Charles R Greathouse IV, Nov 18 2011` `(MAGMA) [Floor(Sqrt(5^n)): n in [0..40]]; // Vincenzo Librandi, Nov 20 2011`
	CROSSREFS	`Sequence in context: A172481 A151529 A192922 * A017920 A006054 A106805` `Adjacent sequences: A017916 A017917 A017918 * A017920 A017921 A017922`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.