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A191152 [4n*e]-2[2n*e], where [ ]=floor. 4
0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

LINKS

Table of n, a(n) for n=1..131.

MATHEMATICA

f[n_] := Floor[4 n*E] - 2*Floor[2 n*E];

t = Table[f[n], {n, 1, 220}] (* A191152 *)

Flatten[Position[t, 0]] (* A191230 *)

Flatten[Position[t, 1]] (* A191231 *)

CROSSREFS

Cf. A191230, A191231.

Sequence in context: A285073 A276394 A215532 * A139312 A323239 A285685

Adjacent sequences: A191149 A191150 A191151 * A191153 A191154 A191155

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 27 2011

STATUS

approved

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Last modified March 23 10:10 EDT 2023. Contains 361443 sequences. (Running on oeis4.)