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A321372 n + [n*r/t] + [n*s/t], where r = 1, s = cos(2*Pi/5), t = sec(2*Pi/5). 3

%I #4 Nov 08 2018 08:52:51

%S 1,2,3,5,6,7,9,10,11,13,15,16,18,19,20,21,23,24,25,27,29,30,32,33,34,

%T 36,37,38,39,41,42,44,46,47,48,50,51,52,54,55,56,58,60,61,62,64,65,66,

%U 68,69,70,72,74,75,76,78,79,80,82,83,84,86,88,89,91,92

%N n + [n*r/t] + [n*s/t], where r = 1, s = cos(2*Pi/5), t = sec(2*Pi/5).

%C See Comments at A190082.

%t r = 1; s = Cos[2 Pi/5]; t = Sec[2 Pi/5];

%t a[n_] := n + Floor[n*s/r] + Floor[n*t/r];

%t b[n_] := n + Floor[n*r/s] + Floor[n*t/s];

%t c[n_] := n + Floor[n*r/t] + Floor[n*s/t];

%t z = 120;

%t Table[a[n], {n, 1, z}] (* A321370 *)

%t Table[b[n], {n, 1, z}] (* A321371 *)

%t Table[c[n], {n, 1, z}] (* A321372 *)

%Y Cf. A190083, A321370, A321372.

%K nonn

%O 1,2

%A _Clark Kimberling_, Nov 08 2018

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Last modified September 16 03:28 EDT 2024. Contains 375959 sequences. (Running on oeis4.)