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A094408
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a(n) = Sum_{k = 0..n} 3^k*A085707(n,k).
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1
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1, 1, 4, 37, 631, 17266, 692785, 38325925, 2795925136, 260056965205, 30038178784699, 4218296308789630, 707778995370264001, 139840360858571766121
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OFFSET
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0,3
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COMMENTS
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LINKS
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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