Ninth column (m=8) of convolution triangle A059594(n,m).

Terms

a(0) =1a(1) =9a(2) =54a(3) =246a(4) =945a(5) =3177a(6) =9648a(7) =26928a(8) =70092a(9) =171820a(10) =399960a(11) =889560a(12) =1900380a(13) =3915900a(14) =7811280a(15) =15129168a(16) =28526562a(17) =52480242a(18) =94386908a(19) =166242780a(20) =287179794a(21) =487227906a(22) =812840976a(23) =1334891664a(24) =2160134700