A188027 [nr]-[nr-kr]-[kr], where r=(1+sqrt(5))/2, k=9, [ ]=floor.

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

Offset

1

Comments

See A188014.

Links

Table of n, a(n) for n=1..123.

Formula

a(n)=[nr]-[nr-9r]-[9r], where r=(1+sqrt(5))/2.

Mathematica

r=(1+5^(1/2))/2; k=9;
t=Table[Floor[n*r]-Floor[(n-k)*r]-Floor[k*r], {n, 1, 220}]   (*A188027*)
Flatten[Position[t, 0]]  (*A188028*)
Flatten[Position[t, 1]]  (*A188029*)

Crossrefs

Cf. A188014, A188028, A188029.

Sequence in context: A089809 A165211 A341389 * A359333 A193496 A284533

Adjacent sequences: A188024 A188025 A188026 * A188028 A188029 A188030

Keyword

nonn

Author

Clark Kimberling, Mar 19 2011

Status

approved