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A189215 Zero-one sequence based on the sequence (3n):  a(A008585(k))=a(k); a(A001651(k))=1-a(k), a(1)=0, a(2)=1. 4
1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

LINKS

Table of n, a(n) for n=1..135.

MATHEMATICA

u[n_] := 3n;  (*A008585*)

a[1] = 0; a[2]=1; h = 128;

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

d = (Complement[Range[Max[#1]], #1] &)[c]; (*A001651*)

Table[a[d[[n]]] = 1 - a[n], {n, 1, h - 1}]; (*A189215*)

Table[a[c[[n]]] = a[n], {n, 1, h}]   (*A189215*)

Flatten[Position[%, 0]]  (*A189287*)

Flatten[Position[%%, 1]] (*A189287*)

CROSSREFS

Cf. A188967, A189287, A189288, A189222, A008585.

Sequence in context: A328101 A147850 A286046 * A285128 A080545 A099991

Adjacent sequences:  A189212 A189213 A189214 * A189216 A189217 A189218

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 19 2011

STATUS

approved

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Last modified October 27 20:18 EDT 2021. Contains 348290 sequences. (Running on oeis4.)