2023296

Appears in sequences

• a(n) = n*(n-1)*A056219(n+1).at n=31A166870
• Triangle read by rows, T(n,k) = ((-1)^k*(2*n)!/4^k)*P[n,k](1/((2*n-1)*(2*n))) where P is the inverse P-transform, for n>=0 and 0<=k<=n.at n=23A269943