40315domain: NAppears in sequencesNumber of 3-divided words of length n over a 3-letter alphabet.at n=9A210324Number of (w,x,y,z) with all terms in {1,...,n} and 2w*x<=3*y*z.at n=16A211921G.f. satisfies A(x) = 1 + x*A(x) + x^4*A(x)^3.at n=17A364552