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A187944 [nr+kr]-[nr]-[kr], where r=(1+sqrt(5))/2, k=3, [ ]=floor. 5
1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
1
COMMENTS
See A187950.
LINKS
Table of n, a(n) for n=1..124.
FORMULA
a(n)=[nr+3r]-[nr]-[3r], where r=(1+sqrt(5))/2.
MATHEMATICA
r=(1+5^(1/2))/2;
seqA=Table[Floor[(n+3)]-Floor[n*r]-4, {n, 1, 220}] (* A187944 *)
Flatten[Position[seqA, 0] ] (* A101864 *)
Flatten[Position[seqA, 1] ] (* A187945 *)
CROSSREFS
Cf. A187950, A101864, A189645.
Sequence in context: A089939 A330550 A059095 * A105597 A188470 A333922
Adjacent sequences: A187941 A187942 A187943 * A187945 A187946 A187947
KEYWORD
nonn
AUTHOR
Clark Kimberling, Mar 16 2011
STATUS
approved

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Last modified August 29 18:55 EDT 2024. Contains 375518 sequences. (Running on oeis4.)