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A072529
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Product of the next n multiples of n.
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0
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1, 24, 3240, 1290240, 1126125000, 1822853652480, 4914543582748800, 20469829379869900800, 124583146969045247683200, 1061374990515840000000000000, 12232437772393129356474535526400
(list;
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listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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FORMULA
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a(n) = n^n * [n(n+1)/2]! / [n(n-1)/2]! - Lior Manor Aug 19 2002
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EXAMPLE
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a(4) = 10*4 * 9*4 * 8*4 * 7*4 = 1290240
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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