a(n) = Product_{k = 1..n} A066841(k).

A129364

a(n) = Product_{k = 1..n} A066841(k).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =96a(4) =480a(5) =207360a(6) =1451520a(7) =2972712960a(8) =722369249280

External references