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 A102565 A102563(n)-A102564(n). 0
 0, 0, 1, -2, 1, -2, -1, 0, 1, -2, -1, 0, -1, 0, 1, -2, 1, -2, -1, 0, -1, 0, 1, -2, -1, 0, 1, -2, 1, -2, -1, 0, 1, -2, -1, 0, -1, 0, 1, -2, -1, 0, 1, -2, 1, -2, -1, 0, -1, 0, 1, -2, 1, -2, -1, 0, 1, -2, -1, 0, -1, 0, 1, -2, 1, -2, -1, 0, -1, 0, 1, -2, -1, 0, 1, -2, 1, -2, -1, 0, -1, 0, 1, -2, 1, -2, -1, 0, 1, -2, -1, 0, -1, 0, 1, -2, -1, 0, 1, -2, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 COMMENTS It would appear that a(2n+1)=(-2)*A010060(n); a(4n+1)=(-2)*A010060(n); a(8n+1)=(-2)*A010060(n); a(2^n)=0^n-1; a(2^n+1)=3*0^n-2; a(2^(n+1)-1)=-(1-(-1)^n). LINKS CROSSREFS Cf. A076826. Sequence in context: A066057 A060588 A221167 * A076826 A137178 A101666 Adjacent sequences:  A102562 A102563 A102564 * A102566 A102567 A102568 KEYWORD easy,sign AUTHOR Paul Barry, Jan 14 2005 STATUS approved

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