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A017940 Powers of sqrt(12) rounded down. 1
1, 3, 12, 41, 144, 498, 1728, 5985, 20736, 71831, 248832, 861979, 2985984, 10343751, 35831808, 124125023, 429981696, 1489500287, 5159780352, 17874003451, 61917364224, 214488041413, 743008370688 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..900

FORMULA

a(n) = floor(sqrt(12^n)). - Vincenzo Librandi, Jun 24 2011

MATHEMATICA

Floor[(Sqrt[12])^Range[0, 30]] (* Harvey P. Dale, Aug 26 2019 *)

PROG

(MAGMA) [Floor(Sqrt(12^n)): n in [0..30]]; // Vincenzo Librandi, Jun 24 2011

(PARI) a(n)=sqrtint(12^n) \\ Charles R Greathouse IV, Nov 18 2011

CROSSREFS

Cf. A010469 (sqrt(12)).

Sequence in context: A038345 A127120 A325482 * A038342 A260153 A328299

Adjacent sequences:  A017937 A017938 A017939 * A017941 A017942 A017943

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 23 23:51 EDT 2019. Contains 328379 sequences. (Running on oeis4.)