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Search: id:A108213
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| A108213 |
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a(0)=44; if n odd, a(n) = a(n-1)/2, otherwise a(n) = 4*a(n-1). |
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+0
2
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| 44, 22, 88, 44, 176, 88, 352, 176, 704, 352, 1408, 704, 2816, 1408, 5632, 2816, 11264, 5632, 22528, 11264, 45056, 22528, 90112, 45056, 180224, 90112, 360448, 180224, 720896, 360448, 1441792, 720896, 2883584, 1441792, 5767168, 2883584, 11534336, 5767168
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OFFSET
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0,1
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FORMULA
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a(2n+1) = a(2n-2).
a(n) = 22 * 2^A028242(n). - Frank Adams-Watters (FrankTAW(AT)Netscape.net), Mar 29 2006
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CROSSREFS
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Twice A108732. Same as A108732 with first two terms deleted. - Alexandre Wajnberg, Dec 27 2005
Sequence in context: A074174 A033977 A033364 this_sequence A158376 A036182 A109644
Adjacent sequences: A108210 A108211 A108212 this_sequence A108214 A108215 A108216
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KEYWORD
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nonn
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AUTHOR
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GUADALUPE GARCIA (LUGAR3628(AT)SBCGLOBAL.NET), Jun 15 2005
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EXTENSIONS
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Explanation and more terms from N. J. A. Sloane (njas(AT)research.att.com), Aug 11, 2005
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