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A187944 [nr+kr]-[nr]-[kr], where r=(1+sqrt(5))/2, k=3, [ ]=floor. 5
1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

COMMENTS

See A187950.

LINKS

Table of n, a(n) for n=1..124.

FORMULA

a(n)=[nr+3r]-[nr]-[3r], where r=(1+sqrt(5))/2.

MATHEMATICA

r=(1+5^(1/2))/2;

seqA=Table[Floor[(n+3)]-Floor[n*r]-4, {n, 1, 220}] (* A187944 *)

Flatten[Position[seqA, 0] ]   (* A101864 *)

Flatten[Position[seqA, 1] ]   (* A187945 *)

CROSSREFS

Cf. A187950, A101864, A189645.

Sequence in context: A099990 A089939 A059095 * A105597 A188470 A071026

Adjacent sequences:  A187941 A187942 A187943 * A187945 A187946 A187947

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 16 2011

STATUS

approved

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Last modified March 21 11:49 EDT 2019. Contains 321368 sequences. (Running on oeis4.)