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Beatty sequence for sqrt(15).
2

%I #6 Sep 08 2022 08:46:09

%S 3,7,11,15,19,23,27,30,34,38,42,46,50,54,58,61,65,69,73,77,81,85,89,

%T 92,96,100,104,108,112,116,120,123,127,131,135,139,143,147,151,154,

%U 158,162,166,170,174,178,182,185,189,193,197,201,205,209,213,216

%N Beatty sequence for sqrt(15).

%H Vincenzo Librandi, <a href="/A246171/b246171.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) = floor(n*sqrt(15)).

%t f[n_]:=Floor[n Sqrt[15]]; Array[f, 60, 1].

%o (Magma) [Floor(n*Sqrt(15)): n in [1..70]];

%Y Cf. similar sequences listed in A246170.

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Aug 20 2014