A181712 Floor(3*n*tau)-Floor(2*n*tau)-Floor(n*tau), where tau=(1+sqrt(5))/2, the golden ratio.

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

Offset

1,1

Links

Table of n, a(n) for n=1..105.

Formula

a(n)=[3*n*tau]-[2*n*tau]-[n*tau], where [ ] denotes the floor function,

and tau=(1+sqrt(5))/2.

Crossrefs

Cf. A181713, A181714.

Sequence in context: A117814 A257000 A062301 * A288729 A335617 A286807

Adjacent sequences: A181709 A181710 A181711 * A181713 A181714 A181715

Keyword

nonn

Author

Clark Kimberling, Nov 07 2010

Status

approved