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Search: id:A136336
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A136336 a(n)=a(n-1)+4a(n-2)-4a(n-3). +0
2
1, 2, 4, 7, 15, 27, 59, 107, 235, 427, 939, 1707 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A136333 A136334 A136335 this_sequence A136337 A136338 A136339

Sequence in context: A019998 A002956 A027167 this_sequence A115178 A049885 A129682

KEYWORD

nonn

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Mar 28 2008

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

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