A188291 [nr+kr]-[nr]-[kr], where r=sqrt(5), k=5, [ ]=floor.

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

Offset

1

Comments

See A187950.

Links

Table of n, a(n) for n=1..132.

Formula

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

Mathematica

r=5^(1/2); k=5;
seqA=Table[Floor[n*r+k*r]-Floor[n*r]-Floor[k*r], {n, 1, 220}]   (* A188291 *)
Flatten[Position[seqA, 0] ]   (* A188292 *)
Flatten[Position[seqA, 1] ]   (* A188293 *)

Crossrefs

Cf. A187950, A188292, A188293.

Sequence in context: A354820 A188086 A105563 * A287372 A188221 A011765

Adjacent sequences: A188288 A188289 A188290 * A188292 A188293 A188294

Keyword

nonn

Author

Clark Kimberling, Mar 26 2011

Status

approved