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 A160230 a(n)=A004760(n+1)-A160217(n), n>=1 1
 0, 0, 0, 3, 2, 0, 0, 6, 6, 4, 4, 3, 2, 0, 0, 15, 14, 12, 12, 11, 10, 8, 8, 6, 6, 4, 4, 3, 2, 0, 0, 30 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS FORMULA a(1)=0; a(2n)=a(2n+1)=2a(n) if A007814(n) is even, a(2n)=a(2n+1)+1=2a(n)+3 if A007814(n) is odd. EXAMPLE a(2)=2a(1)=0; a(3)=2a(1)=0; a(4)=2a(2)+3=3; a(5)=2a(2)+2=2. CROSSREFS Cf. A004760 A160217 A007814 Sequence in context: A062787 A131370 A062707 * A059033 A133209 A144553 Adjacent sequences:  A160227 A160228 A160229 * A160231 A160232 A160233 KEYWORD nonn AUTHOR Vladimir Shevelev, May 04 2009 EXTENSIONS Edited by N. J. A. Sloane, May 08 2009 STATUS approved

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