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Search: id:A133993
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A133993 a(n)=a(n-1)+3a(n-2)-a(n-3)-2a(n-4), n > 3. +0
1
1, 2, 3, 4, 9, 14, 31, 56, 117, 226, 459, 908, 1825, 3638 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A134313 A082981 A077906 this_sequence A122974 A032982 A033076

Adjacent sequences: A133990 A133991 A133992 this_sequence A133994 A133995 A133996

KEYWORD

nonn

AUTHOR

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

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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