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A134831
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Alternating row sums of triangle A134830.
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1
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1, 1, 2, 0, 12, -26, 312, -1338, 16684, -104994, 1463904, -12138218, 190104132, -1956240066, 34206491416, -420374124426, 8140714373532, -116318340148898, 2474986205007504, -40312051604277354
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OFFSET
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0,3
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LINKS
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FORMULA
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a(n) = Sum_{k=1..n+1} A134830(n,k)*(-1)^(k-1), n>=0.
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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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