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A132474
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Column 2 of triangle A132471.
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2
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1, 3, 6, 54, 780, 16500, 465240, 16486512, 708621480, 36072738648, 2137167558432, 145394086979328, 11236518532643184, 977782595316947472, 95086323023335926048, 10266902547496839586848, 1223846872961573356310112
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OFFSET
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0,2
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COMMENTS
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Diagonal m of triangle T=A132471 equals diagonal m-1 of matrix power T^m for m>1: T(n,k) = [T^(n-k)](n-1,k) for n>=k>0, with T(n,n)=1 and T(n+1,n)=n+1 for n>=0.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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