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Search: id:A094588
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| 0, 1, 3, 5, 11, 20, 38, 69, 125, 223, 395, 694, 1212, 2105, 3639, 6265, 10747, 18376, 31330, 53277, 90385, 153011, 258523, 436010, 734136, 1234225, 2072043, 3474029, 5817515, 9730748, 16258910, 27139509, 45258917, 75408775, 125538539
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OFFSET
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0,3
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COMMENT
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This is the transform of the Fibonacci numbers under the inverse of the signed permutations matrix (see A094587).
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FORMULA
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G.f. : x(1+x-2x^2)/(1-x-x^2)^2.
a(n) = A101220(n, 0, n) - Ross La Haye (rlahaye(AT)new.rr.com), Jan 28 2005
a(n) = A109754(n, n). - Ross La Haye (rlahaye(AT)new.rr.com), Aug 20 2005
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CROSSREFS
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Cf. A007502, A088209, A045925.
Sequence in context: A061068 A058932 A118037 this_sequence A082713 A074710 A057460
Adjacent sequences: A094585 A094586 A094587 this_sequence A094589 A094590 A094591
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KEYWORD
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easy,nonn
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), May 13 2004
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