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A172329 a(n) = floor(n*(sqrt(11) + sqrt(2))). 1

%I

%S 0,4,9,14,18,23,28,33,37,42,47,52,56,61,66,70,75,80,85,89,94,99,104,

%T 108,113,118,123,127,132,137,141,146,151,156,160,165,170,175,179,184,

%U 189,193,198,203,208,212,217,222,227,231,236

%N a(n) = floor(n*(sqrt(11) + sqrt(2))).

%C Also integer part of n*4.7308383527..., where the constant is the largest root of x^4 - 26*x^2 + 81.

%H Vincenzo Librandi, <a href="/A172329/b172329.txt">Table of n, a(n) for n = 0..1000</a>

%p a:=n->floor(n*(sqrt(11)+sqrt(2))): seq(a(n),n=0..60); # _Muniru A Asiru_, Sep 28 2018

%t With[{c=Sqrt[11]+Sqrt[2]},Table[Floor[c n], {n,0,50}]] (* _Harvey P. Dale_, Mar 12 2011 *)

%o (MAGMA) [Floor(n*(Sqrt(11)+Sqrt(2))): n in [0..60]];

%o (PARI) vector(60, n, n--; floor(n*(sqrt(11)+sqrt(2)))) \\ _G. C. Greubel_, Sep 28 2018

%Y Cf. A110117, A172323-A172332, A172334, A172336-A172338.

%K nonn,easy,less

%O 0,2

%A _Vincenzo Librandi_, Feb 01 2010

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Last modified April 11 06:11 EDT 2021. Contains 342886 sequences. (Running on oeis4.)