n*a(n+1) = (2*n^2+2*n+1)*a(n)+(n+1)*a(n-1); a(0)=1, a(1)=0.

A258916

n*a(n+1) = (2*n^2+2*n+1)*a(n)+(n+1)*a(n-1); a(0)=1, a(1)=0.

Terms

    a(0) =1a(1) =0a(2) =2a(3) =13a(4) =111a(5) =1154a(6) =14212a(7) =202683a(8) =3288125a(9) =59825284a(10) =1206806406a(11) =26736229385a(12) =645416587627

External references