a(n) = Product_{k=0..n} (k^3 + (n-k)^3).A323541a(n) = Product_{k=0..n} (k^3 + (n-k)^3).Terms a(0) =0a(1) =1a(2) =128a(3) =59049a(4) =51380224a(5) =80869140625External referencesoeis: A323541