A017941 Powers of sqrt(12) rounded to nearest integer.

1, 3, 12, 42, 144, 499, 1728, 5986, 20736, 71832, 248832, 861979, 2985984, 10343752, 35831808, 124125024, 429981696, 1489500288, 5159780352, 17874003451, 61917364224, 214488041413, 743008370688

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Mathematica

Floor[(Sqrt[12]^Range[0, 40]+1/2)] (* Vincenzo Librandi, Nov 19 2011 *)

Prog

(PARI) a(n)=round(sqrt(12)^n) \\ Charles R Greathouse IV, Nov 18 2011
(Magma) [Round(Sqrt(12)^n): n in [0..40]]; // Vincenzo Librandi, Nov 19 2011

Crossrefs

Sequence in context: A135264 A358690 A084529 * A066972 A067819 A094970

Adjacent sequences: A017938 A017939 A017940 * A017942 A017943 A017944

Keyword

nonn

Author

N. J. A. Sloane

Status

approved