35266domain: NAppears in sequencesExpansion of (1+3*x^2+7*x^3+15*x^4+13*x^5+15*x^6+8*x^7+4*x^8)/((1-x)*(1-x^2)^3*(1-x^3)^2).at n=20A037241Number of n-node rooted identity trees of height 5.at n=18A038089Diagonal elements A122445(n+1,n) of the pendular trinomial triangle A122445.at n=9A122448