6497400

Appears in sequences

• a(n) = 4*n*(4*n-1)*(4*n-2)*(4*n-3).at n=13A054777
• a(n) = p(n)/p(n-1), where p(n) = ( floor(n*log(n)) / Product_{j=2..pi(floor(n*log(n)))} prime(j) )!.at n=16A088301
• Product of all composite numbers k such that n<k<prime(r) where prime(r-1)<=n, or 1 if this set of k is empty.at n=47A109915