A191156 - OEIS

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A191156

a(n) = [6*n*Pi] - 2*[3*n*Pi], where [ ]=floor.

0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1

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OFFSET

LINKS

Table of n, a(n) for n=1..122.

MATHEMATICA

f[n_] := Floor[6 n*Pi] - 2*Floor[3 n*Pi];

t = Table[f[n], {n, 1, 220}] (* A191156 *)

Flatten[Position[t, 0]] (* A191160 *)

Flatten[Position[t, 1]] (* A101176 *)

CROSSREFS

Cf. A191160, A101176.

Sequence in context: A288640 A361115 A082446 * A144611 A288473 A130853

Adjacent sequences: A191153 A191154 A191155 * A191157 A191158 A191159

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 27 2011

STATUS

approved