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A050513
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a(n) = (-1)^n * Sum_{i=0..n} binomial(n+1,i+1)*prime(i+1).
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2
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2, -7, 20, -53, 136, -341, 836, -2005, 4712, -10881, 24770, -55763, 124464, -275933, 608282, -1334119, 2911870, -6325091, 13674120, -29425307, 63042232, -134517425, 285984130, -606056545, 1280778342, -2700105565, 5680099084, -11925792491
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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Table[(-1)^(n-1)*Sum[Binomial[n, k]*Prime[k], {k, 1, n}], {n, 1, 20}] (* Vaclav Kotesovec, Mar 01 2016 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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