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Search: id:A013734
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| 4, 256, 16384, 1048576, 67108864, 4294967296, 274877906944, 17592186044416, 1125899906842624, 72057594037927936, 4611686018427387904, 295147905179352825856, 18889465931478580854784
(list; graph; listen)
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OFFSET
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0,1
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LINKS
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Tanya Khovanova, Recursive Sequences
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FORMULA
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a(n)=64*a(n-1), n>0 ; a(0)=4 . G.f.: 4/(1-64*x). a(n)=4*A089357(n). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 24 2008]
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PROGRAM
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(Other) sage: [lucas_number2(3*n, 2, 0)*lucas_number1(3*n, 2, 0)/2^9 for n in xrange(2, 15)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 27 2009]
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CROSSREFS
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Sequence in context: A063073 A093760 A062075 this_sequence A085534 A071617 A122249
Adjacent sequences: A013731 A013732 A013733 this_sequence A013735 A013736 A013737
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KEYWORD
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nonn,new
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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