2667126

Appears in sequences

• a(n) = n*(n-1)*(n-2)*(n-3)*(n^2-3*n-2)/48.at n=24A093566
• Triangle read by rows, T(n,k) = (binomial(n,k)^3 - binomial(n,k))/6 for k=1..n-1 and n >= 2.at n=40A373101