A017928 - OEIS

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A017928

Powers of sqrt(8) rounded down.

1, 2, 8, 22, 64, 181, 512, 1448, 4096, 11585, 32768, 92681, 262144, 741455, 2097152, 5931641, 16777216, 47453132, 134217728, 379625062, 1073741824, 3037000499, 8589934592, 24296003999, 68719476736 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..1000`
	FORMULA	`a(n)=A017910(3n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 28 2008`
	MATHEMATICA	`Floor[(Sqrt[8])^Range[0, 40]] (* From Harvey P. Dale, June 20 2011 *)`
	PROG	`(PARI) a(n)=sqrtint(8^n) \\ Charles R Greathouse IV, Nov 18 2011` `(MAGMA) [Floor(Sqrt(8^n)): n in [0..40]]; // Vincenzo Librandi, Nov 20 2011`
	CROSSREFS	`Sequence in context: A005803 A145654 A074352 * A102880 A137104 A178159` `Adjacent sequences: A017925 A017926 A017927 * A017929 A017930 A017931`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 09:09 EST 2012. Contains 206002 sequences.