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Search: id:A128052
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A128052 a(n)=(F(2n-1)+F(2n+1))(5/6-cos(2*pi*n/3)/3). +0
2
1, 3, 7, 9, 47, 123, 161, 843, 2207, 2889, 15127, 39603, 51841, 271443, 710647, 930249, 4870847, 12752043, 16692641, 87403803, 228826127, 299537289, 1568397607, 4106118243, 5374978561, 28143753123 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Cf. A128053.

Sequence in context: A100839 A013624 A053366 this_sequence A033681 A074339 A115164

Adjacent sequences: A128049 A128050 A128051 this_sequence A128053 A128054 A128055

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Feb 13 2007

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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