72288domain: NAppears in sequencesNumber of 3 X 3 magilatin squares with positive values and magic sum n.at n=27A173549G.f. satisfies A(x) = 1 + x^3 + x*A(x)^2.at n=11A367042Expansion of 1/((1 - x)^6 - 2*x^6).at n=13A375165