50148

Appears in sequences

• a(n) = 64*n^2 - n.at n=27A157948
• a(n) = 256*n^2 - 2*n.at n=13A158249
• a(n) = 784*n^2 - 28.at n=7A158657
• Partial sums of A001168.at n=9A176673
• Triangle read by rows: T(n,k) = Sum_{i=0..n/2} C(n-i,i)*C(n-i,k-i)*C(n-1,i) (0 <= k <= n).at n=51A306226