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A141325 A000045(n) + A131531(n+3). 3
1, 1, 1, 1, 3, 5, 9, 13, 21, 33, 55, 89, 145, 233, 377, 609, 987, 1597, 2585, 4181, 6765, 10945, 17711, 28657, 46369, 75025, 121393, 196417, 317811, 514229, 832041, 1346269, 2178309, 3524577, 5702887, 9227465, 14930353, 24157817, 39088169 (list; graph; refs; listen; history; internal format)
OFFSET

0,5

FORMULA

G.f.:(-1-x^4+x^2)/((x+1)*(x^2+x-1)*(1+x^2-x)) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 12 2009]

CROSSREFS

Cf. A140096, A140413, A014437.

Sequence in context: A206297 A136252 A187212 * A146905 A052282 A001993

Adjacent sequences:  A141322 A141323 A141324 * A141326 A141327 A141328

KEYWORD

nonn,easy

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Aug 03 2008

EXTENSIONS

Definition corrected by R. J. Mathar, Sep 16 2009

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 27 2009

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Last modified February 16 17:48 EST 2012. Contains 205939 sequences.