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A121563
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Numerator of Sum[i=1..n] i!/(i^i).
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2
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1, 3, 31, 523, 333787, 3029083, 357534985867, 1466339436008107, 86629054728081110243, 54153614078975016066611, 1404709830784309760237846406097211, 1404749977001540310126014452972211
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OFFSET
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1,2
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COMMENTS
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Denominators are A121564. Limit as n approaches infinity of A121563(n)/A121564(n) = 1.879853862175258533486306145... whose decimal expansion is A094082.
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LINKS
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FORMULA
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EXAMPLE
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a(1) = 1/1 = 1.
a(2) = 3/2 = 1.5
a(3) = 31/18 = 1.72222222222.
a(4) = 523/288 = 1.81597222222.
a(5) = 333787/180000 = 1.85437222222.
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CROSSREFS
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KEYWORD
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easy,frac,nonn
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AUTHOR
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STATUS
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approved
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