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A091548
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Alternating row sums of triangle A091543.
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1
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1, 1, -1, -53, -1083, -24099, -120477, 115958039, 30323462809, 7554183583865, 2000735772375143, 483441809221224835, -15004002104132799283, -243176330287496140346187, -424738050855195910944014901, -660294012298780945217254277745
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OFFSET
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1,4
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LINKS
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FORMULA
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a(n)=sum(A091543(n, m)*(-1)^m, m=0..n-1), 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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