A188017 [nr]-[nr-kr]-[kr], where r=(1+sqrt(5))/2, k=6, [ ]=floor.

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

Offset

1

Comments

See A188014.

Links

Table of n, a(n) for n=1..130.

Formula

a(n)=[nr]-[nr-6r]-[6r], where r=(1+sqrt(5))/2.

Mathematica

r=(1+5^(1/2))/2; k=6;
t=Table[Floor[n*r]-Floor[(n-k)*r]-Floor[k*r], {n, 1, 220}]   (*A188017*)
Flatten[Position[t, 0]]  (*A188018*)
Flatten[Position[t, 1]]  (*A188019*)

Crossrefs

A188014, A188018, A188019.

Sequence in context: A114986 A014282 A014555 * A286755 A286349 A145575

Adjacent sequences: A188014 A188015 A188016 * A188018 A188019 A188020

Keyword

nonn

Author

Clark Kimberling, Mar 19 2011

Status

approved