109032domain: NAppears in sequencesMatrix log of triangle A030528, where A030528(n,k) = C(k,n-k).at n=28A179198E.g.f. satisfies: A(x) = (1+x)/(1+2*x)*A(x+x^2) with A(0)=0.at n=7A179199G.f. satisfies: A(x) = (1 + x*A(x))*(1 + x^2*A(x)^3 + x^3*A(x)^4).at n=10A199247