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A172272 a(n) = floor(n*(sqrt(11)-sqrt(3))). 13

%I #7 Sep 08 2022 08:45:50

%S 0,1,3,4,6,7,9,11,12,14,15,17,19,20,22,23,25,26,28,30,31,33,34,36,38,

%T 39,41,42,44,45,47,49,50,52,53,55,57,58,60,61,63,64,66,68,69,71,72,74,

%U 76,77,79,80,82,83,85,87,88,90,91,93,95,96,98,99,101,102,104,106,107

%N a(n) = floor(n*(sqrt(11)-sqrt(3))).

%H Vincenzo Librandi, <a href="/A172272/b172272.txt">Table of n, a(n) for n = 0..1000</a>

%t With[{c = Sqrt[11] - Sqrt[3]}, Floor[c Range[0, 80]]] (* _Vincenzo Librandi_, Aug 01 2013 *)

%o (Magma) [Floor(n*(Sqrt(11)-Sqrt(3))): n in [0..80]]; // _Vincenzo Librandi_, Aug 01 2013

%Y Cf. A172264, A172266-A172270, A172273-A172278.

%K nonn,easy

%O 0,3

%A _Vincenzo Librandi_, Jan 30 2010

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Last modified April 23 09:48 EDT 2024. Contains 371905 sequences. (Running on oeis4.)