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A134277
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Alternating row sums of triangle A134275 (S2(5)').
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2
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1, 4, 41, 519, 9201, 194819, 4951381, 144651394, 4811109506, 178860848394, 7364318416206, 332403272058269, 16329673772560231, 867235540509998269, 49517829071816599856, 3024950770151869836519, 196866838411908745248981
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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(A134275(n,m)*(-1)^(m-1),m=1..n), n>=1.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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