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A033858
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Numbers n such that j(n)+ud(n)=d(n), where j(n) = A033831, ud(n) = number of unitary divisors of n (A034444), d(n) = number of divisors of n (A000005).
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0
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1, 2, 4, 8, 9, 12, 20, 24, 25, 27, 40, 49, 54, 88, 104, 120, 121, 125, 135, 136
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