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Search: id:A135536
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A135536 a(n)=b(3p)+b(3p+1)+b(3p+2), where b() = A135530(). +0
2
7, 14, 56, 112, 448, 896, 3584, 7168, 28672, 57344, 229376, 458752, 1835008, 3670016, 14680064, 29360128, 117440512, 234881024, 939524096, 1879048192, 7516192768, 15032385536, 60129542144, 120259084288, 481036337152 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n)=7*|A094014|.

O.g.f.: -7*(1+2*x)/(-1+8*x^2). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 23 2008

CROSSREFS

Sequence in context: A062098 A045759 A033650 this_sequence A020700 A110496 A117867

Adjacent sequences: A135533 A135534 A135535 this_sequence A135537 A135538 A135539

KEYWORD

nonn

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Feb 22 2008

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 23 2008

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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