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A090437
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Alternating row sums of array A078740 ((3,2)-Stirling2).
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1
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1, 1, -17, -299, 1921, 451621, 23016631, -138672407, -208026131039, -31455532865879, -2214855733827329, 358045039222582141, 197933737480453452193, 51028310360637930765901, 6769736050165112232649351, -1644881699523140953828119599
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OFFSET
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1,3
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LINKS
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FORMULA
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a(n) = Sum_{k=2..2*n} A078740(n, k)*(-1)^k, 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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