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A017937
Powers of sqrt(11) rounded down.
1
1, 3, 11, 36, 121, 401, 1331, 4414, 14641, 48558, 161051, 534145, 1771561, 5875603, 19487171, 64631634, 214358881, 710947978, 2357947691, 7820427766, 25937424601, 86024705429, 285311670611
OFFSET
0,2
LINKS
FORMULA
a(n) = floor(sqrt(11^n)). - Vincenzo Librandi, Jun 24 2011
MATHEMATICA
Floor[(Sqrt[11])^Range[0, 30]] (* Harvey P. Dale, Feb 01 2014 *)
PROG
(Magma)[Floor(Sqrt(11^n)): n in [0..30]]; // Vincenzo Librandi, Jun 24 2011
(PARI) a(n)=sqrtint(11^n) \\ Charles R Greathouse IV, Nov 18 2011
CROSSREFS
Cf. A010468 (sqrt(11)).
Sequence in context: A305132 A291413 A347829 * A017938 A333760 A100068
KEYWORD
nonn
STATUS
approved