login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

a(n) = floor(n*(sqrt(7)-sqrt(3))).
1

%I #13 Sep 08 2022 08:45:50

%S 0,0,1,2,3,4,5,6,7,8,9,10,10,11,12,13,14,15,16,17,18,19,20,21,21,22,

%T 23,24,25,26,27,28,29,30,31,31,32,33,34,35,36,37,38,39,40,41,42,42,43,

%U 44,45,46,47,48,49,50,51,52,52,53,54,55,56,57,58,59,60,61,62,63,63,64,65

%N a(n) = floor(n*(sqrt(7)-sqrt(3))).

%C Differs from the Beatty sequence of the Catalan constant A006752 first at n=35. - _R. J. Mathar_, May 22 2019

%H Vincenzo Librandi, <a href="/A172268/b172268.txt">Table of n, a(n) for n = 0..1000</a>

%t With[{c=Sqrt[7]-Sqrt[3]},Floor[c*Range[0,80]]] (* _Harvey P. Dale_, Nov 20 2012 *)

%o (Magma) [Floor(n*(Sqrt(7)-Sqrt(3))): n in [0..80]]; // _Vincenzo Librandi_, Aug 01 2013

%Y Cf. A172264, A172266-A172270, A172272-A172278.

%K nonn,easy

%O 0,4

%A _Vincenzo Librandi_, Jan 30 2010