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A094647
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a(n) = n^(2n) - (2n)^n.
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0
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-1, 0, 513, 61440, 9665625, 2173796352, 678117659345, 281470681743360, 150094436937708753, 99999989760000000000, 81402748802521459701993, 79496847166870496697384960, 91733330190787463785195879433
(list;
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listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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EXAMPLE
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a(3) = 513 because 3^(2*3) - (2*3)^3 = 3^6 - 6^3 = 513.
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MATHEMATICA
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CROSSREFS
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KEYWORD
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easy,sign
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AUTHOR
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Gregory S. Thoman (fealuinix(AT)yahoo.com), May 18 2004
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EXTENSIONS
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STATUS
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approved
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