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A194741 Number of k such that {-k*sqrt(3)} > {-n*sqrt(3)}, where { } = fractional part. 3

%I

%S 0,0,0,3,2,1,0,6,4,2,0,9,6,3,14,10,6,2,16,11,6,1,18,12,6,0,20,13,6,28,

%T 20,12,4,29,20,11,2,30,20,10,0,31,20,9,42,30,18,6,42,29,16,3,42,28,14,

%U 55,40,25,10,54,38,22,6,53,36,19,2,52,34,16,68,49,30,11,66,46

%N Number of k such that {-k*sqrt(3)} > {-n*sqrt(3)}, where { } = fractional part.

%t Remove["Global`*"];

%t r = -Sqrt[3]; p[x_] := FractionalPart[x];

%t u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]

%t v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]

%t s[n_] := Sum[u[n, k], {k, 1, n}]

%t t[n_] := Sum[v[n, k], {k, 1, n}]

%t Table[s[n], {n, 1, 100}] (* A194740 *)

%t Table[t[n], {n, 1, 100}] (* A194741 *)

%Y Cf. A194740, A194738.

%K nonn

%O 1,4

%A _Clark Kimberling_, Sep 02 2011

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Last modified May 18 22:17 EDT 2021. Contains 344004 sequences. (Running on oeis4.)