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Search: id:A136326
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A136326 a(n)=a(n-1)+4a(n-2)-4a(n-3). +0
2
1, 2, 4, 9, 17, 37, 69, 149, 277, 597, 1109, 2389 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A136323 A136324 A136325 this_sequence A136327 A136328 A136329

Sequence in context: A088039 A115451 A077931 this_sequence A059973 A030035 A123431

KEYWORD

nonn

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Mar 26 2008

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

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