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A172334 Floor(n*(sqrt(13)+sqrt(3))). 15

%I

%S 0,5,10,16,21,26,32,37,42,48,53,58,64,69,74,80,85,90,96,101,106,112,

%T 117,122,128,133,138,144,149,154,160,165,170,176,181,186,192,197,202,

%U 208,213,218,224,229,234,240,245,250,256,261,266

%N Floor(n*(sqrt(13)+sqrt(3))).

%C Also integer part of n*5.3376020830..., where the constant is the largest root of x^4 -32*x^2 +100.

%H Vincenzo Librandi, <a href="/A172334/b172334.txt">Table of n, a(n) for n = 0..1000</a>

%t With[{c = Sqrt[13] + Sqrt[3]}, Table[Floor[c n], {n, 0, 50}]] (* _Harvey P. Dale_, Apr 25 2011 *)

%o (MAGMA) [ Floor(n*(Sqrt(13)+Sqrt(3))): n in [0..60] ];

%Y Cf. A110117, A172323-A172332, A172336-A172338.

%K nonn,less,easy

%O 0,2

%A _Vincenzo Librandi_, Feb 01 2010

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Last modified April 22 10:56 EDT 2021. Contains 343174 sequences. (Running on oeis4.)