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A273380
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2..a(n) is the smallest range in which the most common value of omega(k) is n, where omega(k) is the number of prime divisors of k (A001221).
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1
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OFFSET
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1,1
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LINKS
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EXAMPLE
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Among the numbers from 2 to a(2)=46 the most common value of omega is 2. Indeed, there are 21 numbers for which omega is 1 (primes or prime powers) and 22 for which omega is 2.
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MATHEMATICA
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a[n_] := Block[{c1=0, c2=0, v, k=1}, While[c2<=c1, v=PrimeNu[++k]; If[v == n-1, c1++]; If[v == n, c2++]]; k]; Array[a, 3]
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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