161043domain: NAppears in sequencesa(0) = 1, a(1) = 3; for n >= 2 a(n) is the number of degree-n monic reducible polynomials over GF(3), i.e., a(n) = 3^n - A027376(n).at n=11A058818Number of (w,x,y,z) with all terms in {1,...,n} and w^3<x^3+y^3+z^3.at n=21A212097