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A018079 Powers of fourth root of 12 rounded to nearest integer. 1

%I #13 Jul 26 2017 17:56:02

%S 1,2,3,6,12,22,42,77,144,268,499,928,1728,3216,5986,11141,20736,38594,

%T 71832,133694,248832,463129,861979,1604324,2985984,5557542,10343752,

%U 19251892,35831808,66690509,124125024

%N Powers of fourth root of 12 rounded to nearest integer.

%H Vincenzo Librandi, <a href="/A018079/b018079.txt">Table of n, a(n) for n = 0..1000</a>

%p seq(round(12^(n/4)), n=0..100); # _Robert Israel_, Apr 13 2017

%t Floor[# + 1/2]&/@((Power[12, (4)^-1])^Range[0, 50]) (* _Vincenzo Librandi_, Apr 13 2017 *)

%t Round[Surd[12,4]^Range[0,30]] (* _Harvey P. Dale_, Jul 26 2017 *)

%Y Cf. A011009.

%K nonn

%O 0,2

%A _N. J. A. Sloane_.

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Last modified April 25 09:49 EDT 2024. Contains 371967 sequences. (Running on oeis4.)