login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A189034 Positions of 0 in the zero-one sequence s based on the sequence lower Wythoff sequence p:  s(p(k))=s(k); s(q(k))=1-s(k); s(1)=0, q=(upper Wythoff sequence). 4
1, 5, 7, 8, 10, 11, 12, 15, 16, 17, 19, 23, 24, 25, 27, 30, 34, 36, 37, 38, 40, 43, 47, 48, 52, 54, 55, 57, 58, 59, 61, 64, 68, 69, 73, 75, 76, 77, 81, 83, 84, 86, 87, 88, 91, 92, 93, 95, 98, 102, 103, 107, 109, 110, 111, 115, 117, 118, 120, 121, 122, 124, 128 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

It is conjectured at A095076 that the zero-sequence s is A095076.

LINKS

Table of n, a(n) for n=1..63.

MATHEMATICA

r=(1+5^(1/2))/2; u[n_] := Floor[n*r];  (*A000201*)

a[1] = 0; h = 128;

c = (u[#1] &) /@ Range[2h];

d = (Complement[Range[Max[#1]], #1] &)[c]; (*A001950*)

Table[a[d[[n]]] = 1 - a[n], {n, 1, h - 1}];

Table[a[c[[n]]] = a[n], {n, 1, h}]   (*A095076 conjectured*)

Flatten[Position[%, 0]]  (*A189034*)

Flatten[Position[%%, 1]] (*A189035*)

CROSSREFS

A095076, A189035.

Sequence in context: A180241 A047479 A080720 * A112250 A192067 A288735

Adjacent sequences:  A189031 A189032 A189033 * A189035 A189036 A189037

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 15 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 11 16:12 EDT 2021. Contains 342886 sequences. (Running on oeis4.)