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A091758
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Alternating row sums of array A092077 ((8,2)-Stirling2).
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1
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1, 41, 5993, 1911281, 1070544561, 931648129241, 1164230224629081, 1977455909783346273, 4384042247054153832161, 12298460017360155919009801, 42594621493418383255115778761, 178534870708446720311905067877201, 890813416549297707507952795640859793
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OFFSET
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1,2
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COMMENTS
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The first negative member is the 680 digit number a(138)=-2266379480...2912329207.
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LINKS
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FORMULA
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a(n)= sum( A092077(n, k)*(-1)^k, k=2..2*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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