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Search: id:A131532
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A131532 Period 6: repeat 0,0,0,0,1,1. +0
1
0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n)=(1/90)*{17*(n mod 6)+2*[(n+1) mod 6]-13*[(n+2) mod 6]+2*[(n+3) mod 6]+2*[(n+4) mod 6]+2*[(n+5) mod 6]}, with n>=0. - Paolo P. Lava (ppl(AT)spl.at), Aug 28 2007

G.f.: -x^4/(x-1)/(x^2+x+1)/(x^2-x+1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 14 2007

CROSSREFS

Sequence in context: A011665 A071005 A131533 this_sequence A085114 A011661 A011660

Adjacent sequences: A131529 A131530 A131531 this_sequence A131533 A131534 A131535

KEYWORD

nonn

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Aug 26 2007

EXTENSIONS

Edited by njas, Sep 15 2007

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.


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