17631601domain: NAppears in sequencesNumerator of (binomial(2*n-2,n-1)/n!)^2.at n=10A004936Numerator of (binomial(2*n-2,n-1)/n!)^2.at n=11A004936a(n) = A002596(n)^2.at n=11A056981Products of squares of three successive primes.at n=5A258155