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A128778
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a(n) = numerator of Product_{k=1..n} (1 + {n/k}), where {x} is the fractional part of x, {x} = x - floor(x).
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1
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1, 1, 3, 4, 25, 9, 343, 256, 6561, 1250, 161051, 1728, 4826809, 235298, 11390625, 134217728, 6975757441, 14348907, 322687697779, 4000000000, 264760015527, 207499396808, 952809757913927, 220150628352, 11920928955078125
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OFFSET
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1,3
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LINKS
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MAPLE
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a:=n->numer(product(1+frac(n/k), k=1..n)): seq(a(n), n=1..30); # Emeric Deutsch, Mar 31 2007
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CROSSREFS
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KEYWORD
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frac,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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