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A184388
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a(n) = product of numbers from 1 to sigma(n), where sigma(n) = A000203(n).
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8
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1, 6, 24, 5040, 720, 479001600, 40320, 1307674368000, 6227020800, 6402373705728000, 479001600, 304888344611713860501504000000, 87178291200, 620448401733239439360000, 620448401733239439360000, 8222838654177922817725562880000000, 6402373705728000
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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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EXAMPLE
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For n = 4; sigma(4) = 7; a(n) = 1*2*3*4*5*6*7 = 5040.
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MATHEMATICA
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PROG
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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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