4521607

Properties

Appears in sequences

• a(n) = (sum_{k=0}^{n-1}(4*k^3-1)*C(n-1,k)*C(n+k,k))/n^2, where C(m,k) denotes the binomial coefficient m!/(k!*(m-k)!).at n=8A243101
• Prime numbersat n=317339