Expansion of G(x)^4 where G(x) = g.f. for A291096.

A291285

Expansion of G(x)^4 where G(x) = g.f. for A291096.

Terms

    a(0) =1a(1) =12a(2) =198a(3) =3780a(4) =78489a(5) =1721412a(6) =39234780a(7) =920140884a(8) =22059787860a(9) =538209747504

External references