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A194308 Triangular array: g(n,k) = number of fractional parts (i*Pi) in interval [(k-1)/n, k/n], for 1 <= i <= 2^n, 1 <= k <= n. 2

%I #8 Apr 10 2021 08:04:37

%S 2,3,1,3,2,3,3,5,4,4,5,7,8,4,8,10,9,10,12,12,11,19,18,18,18,18,18,19,

%T 31,31,32,32,32,32,32,34,53,58,55,61,55,57,53,60,60,99,100,100,108,

%U 100,100,108,100,100,109,180,182,180,200,182,180,182,200,180,182

%N Triangular array: g(n,k) = number of fractional parts (i*Pi) in interval [(k-1)/n, k/n], for 1 <= i <= 2^n, 1 <= k <= n.

%C See A194285.

%e First six rows:

%e 2;

%e 3, 1;

%e 3, 2, 3;

%e 3, 5, 4, 4;

%e 5, 7, 8, 4, 8;

%e 10, 9, 10, 12, 12, 11;

%t r = Pi;

%t f[n_, k_, i_] := If[(k - 1)/n <= FractionalPart[i*r] < k/n, 1, 0]

%t g[n_, k_] := Sum[f[n, k, i], {i, 1, 2^n}]

%t TableForm[Table[g[n, k], {n, 1, 14}, {k, 1, n}]]

%t Flatten[%] (* A194308 *)

%Y Cf. A194285.

%K nonn,tabl

%O 1,1

%A _Clark Kimberling_, Aug 21 2011

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Last modified April 24 09:42 EDT 2024. Contains 371935 sequences. (Running on oeis4.)