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A091041
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Alternating row sums of triangle A091039 (scaled second columns of (k,k)-Stirling2 arrays).
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1
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1, 2, 0, -8, 324, -530, -1112688, 169476046, 144151873344, -449531744387330, -660618519039237888, 83329012852592671058686, -2072231651447029998880551936, -1674940664087026476131857832322050, 1501486075410203396595208137534328983552
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OFFSET
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1,2
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LINKS
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FORMULA
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a(n)=sum(A091039(n, k)*(-1)^(k+1), k=1..n), n>=1.
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CROSSREFS
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KEYWORD
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sign,easy
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AUTHOR
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STATUS
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approved
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