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A188093 [nr+kr]-[nr]-[kr], where r=sqrt(3), k=6, [ ]=floor. 3
1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

COMMENTS

See A187950.

LINKS

Table of n, a(n) for n=1..143.

FORMULA

a(n)=[nr+6r]-[nr]-[6r], where r=sqrt(3).

MATHEMATICA

r=3^(1/2); k=6;

seqA=Table[Floor[n*r+k*r]-Floor[n*r]-Floor[k*r], {n, 1, 220}]   (* A188093 *)

Flatten[Position[seqA, 0] ]   (* A188094 *)

Flatten[Position[seqA, 1] ]   (* A188095 *)

CROSSREFS

Cf. A187950, A188094, A188095.

Sequence in context: A214293 A323096 A120527 * A190843 A287772 A190198

Adjacent sequences:  A188090 A188091 A188092 * A188094 A188095 A188096

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 20 2011

STATUS

approved

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Last modified May 22 00:02 EDT 2022. Contains 353931 sequences. (Running on oeis4.)