A321371 - OEIS

%I #4 Nov 08 2018 08:52:44

%S 14,28,43,57,73,87,102,116,132,146,161,175,191,205,220,234,250,264,

%T 278,293,307,323,337,352,366,382,396,411,425,441,455,470,484,500,514,

%U 528,543,557,573,587,602,616,632,646,661,675,691,705,720,734,750,764,779

%N n + [n*r/s] + [n*t/s], 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 1,1

%A _Clark Kimberling_, Nov 08 2018