Product{i*C(n,i) : 1<=i<=floor[(n+1)/2]}.
A208652
Product{i*C(n,i) : 1<=i<=floor[(n+1)/2]}.
Terms
- a(0) =1a(1) =2a(2) =18a(3) =48a(4) =3000a(5) =10800a(6) =4321800a(7) =21073920a(8) =51849745920a(9) =342921600000
External references
- oeis: A208652
A208652
Product{i*C(n,i) : 1<=i<=floor[(n+1)/2]}.