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A126147
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a(n) = floor[(product{k=1 to n-1} prime(k))/prime(n)].
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0
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0, 0, 1, 4, 19, 177, 1766, 26868, 421725, 7692857, 208699781, 5420553787, 180993613044, 7075587523888, 278356624078085, 11601694011103611, 552358618257458385, 31520661477937912115, 1750572856110551805720
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