94109400domain: NAppears in sequencesa(n) = 4*n*(4*n-1)*(4*n-2)*(4*n-3).at n=25A054777(n^2)*(n^2-1)*(n^2-2)*(n^2-3).at n=10A217574a(n) = Product_{i=prime(n)..prime(n+1)-1} i.at n=24A361760