104244domain: NAppears in sequencesPolynexus numbers of order 8.at n=8A088890Coefficient of x^n in the expansion of (1+x^3+x^4)^n.at n=18A192442Number of tilings of an equilateral triangle of side length n with unit triangles (of side length 1) and exactly two unit "lozenges" or "diamonds" (also of side length 1).at n=17A326367