866019domain: NAppears in sequencesNumber of nonempty subsets of {1,2,...,n} in which exactly 3/5 of the elements are <= (n-3)/3.at n=31A048034a(n) is the integer nearest to the result of raising n to the power of the fraction that is the natural logarithm of n over the natural logarithm of the golden ratio.at n=12A329056