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A188260 [nr+kr]-[nr]-[kr], where r=sqrt(5), k=3, [ ]=floor. 3
0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

COMMENTS

See A187950.

LINKS

Table of n, a(n) for n=1..135.

FORMULA

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

MATHEMATICA

r=5^(1/2); k=3;

seqA=Table[Floor[n*r+k*r]-Floor[n*r]-Floor[k*r], {n, 1, 220}]   (* A188260 *)

Flatten[Position[seqA, 0] ]   (* A188261 *)

Flatten[Position[seqA, 1] ]   (* A188262 *)

CROSSREFS

Cf. A187950, A188261, A188262.

Sequence in context: A324682 A098725 A284939 * A166486 A046978 A075553

Adjacent sequences:  A188257 A188258 A188259 * A188261 A188262 A188263

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 25 2011

STATUS

approved

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Last modified October 13 20:38 EDT 2019. Contains 327981 sequences. (Running on oeis4.)