OFFSET
1,1
EXAMPLE
Among the numbers from 2 to a(2)=26 the most common value of Omega is 2. Indeed, there are 9 numbers for which Omega is 1 (the primes) and 10 for which Omega is 2 (the semiprimes).
MATHEMATICA
a[n_] := Block[{c1=0, c2=0, v, k=1}, While[c2<=c1, v=PrimeOmega[++k]; If[v == n-1, c1++]; If[v == n, c2++]]; k]; Array[a, 3]
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Giovanni Resta, May 21 2016
STATUS
approved