-208845

Appears in sequences

• a(n) = Product_{k=0..n-1} (n-4*k).at n=7A383996
• Square array A(n,k), n >= 0, k >= 1, read by antidiagonals: A(n,k) = n! * [x^n] (1 + k*x)^(n/k).at n=62A384216