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A072159
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Denominator of Sum_{k=1..n} phi(k)/k^3.
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1
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1, 8, 216, 864, 108000, 12000, 4116000, 16464000, 1333584000, 1333584000, 1775000304000, 1775000304000, 3899675667888000, 3899675667888000, 3899675667888000, 15598702671552000, 76636426225334976000, 2838386156493888000, 19468490647391577792000, 19468490647391577792000
(list; graph; refs; listen; history; internal format)
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