277500

Appears in sequences

• Triangle T(n,k) read by rows: the coefficient [x^k] of the product_{s=1..n} (x+64*cos(s*Pi/(2n+1))^6), 0<=k<=n.at n=31A179838
• Integer areas of the Lucas Central triangles of integer-sided triangles.at n=11A231739
• The sum of the sizes of the minimal fixed points over all compositions of n.at n=18A335712