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Search: id:A074825
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| A074825 |
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Binomial transform of reflected pentanacci numbers A074062: a(n)=Sum(Binomial(n,k)*A074062(k),(k=0,..,n)). |
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+0
2
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| 5, 4, 2, -2, -10, -16, -4, 46, 142, 250, 262, 4, -652, -1530, -1818, 38, 5662, 14760, 22028, 15014, -22490, -95846, -172434, -154740, 110500, 733134, 1556206, 1875238, 365334, -4306496, -11734244, -17112802, -9496002, 25050298, 90586134, 157886356, 142006676, -87803882
(list; graph; listen)
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OFFSET
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0,1
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LINKS
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N. J. A. Sloane, Transforms
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FORMULA
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a(n)=4a(n-1)-7a(n-2)+6a(n-3)-3a(n-4)+2a(n-5), a(0)=5, a(1)=4, a(2)=2, a(3)=-2, a(4)=-10. G.f.: (5-16x+21x^2-12x^3+3x^4)/(1-4x+7x^2-6x^3+3x^4-2x^5).
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MATHEMATICA
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CoefficientList[Series[(5-16x+21x^2-12x^3+3x^4)/(1-4x+7x^2-6x^3+3x^4-2x^5), {x, 0, 40}], x]
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CROSSREFS
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Cf. A074062.
Sequence in context: A102593 A090462 A081749 this_sequence A094778 A097960 A019712
Adjacent sequences: A074822 A074823 A074824 this_sequence A074826 A074827 A074828
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KEYWORD
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easy,sign
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AUTHOR
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Mario Catalani (mario.catalani(AT)unito.it), Sep 09 2002
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