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A152656
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Triangle read by rows: denominators of polynomials from A000142: P(0,x)=1,P(n,x)=1/n!+x*sum(P(n-i-1)/i!),i=0,1,..,n-1. Numerators are A152650.
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5
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1, 1, 1, 2, 1, 1, 6, 1, 1, 1, 24, 3, 2, 1, 1
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