a(n) = Product_{k=0..n} (L(k)+1), where L=A000032 (Lucas numbers).

A374654

a(n) = Product_{k=0..n} (L(k)+1), where L=A000032 (Lucas numbers).

Terms

    a(0) =3a(1) =6a(2) =24a(3) =120a(4) =960a(5) =11520a(6) =218880a(7) =6566400a(8) =315187200a(9) =24269414400

External references