215441

Appears in sequences

• Product of next n primes.at n=3A007467
• Products of 4 successive primes.at n=6A046302
• a(n) = Product_{p in P_n} where P_n = {p prime, n/2 < p <= n }.at n=29A055773
• a(n) = Product_{p in P_n} where P_n = {p prime, n/2 < p <= n }.at n=30A055773
• Numerators of coefficients in J0(i*sqrt(x))^2, where J0 denotes the ordinary Bessel function of order 0.at n=15A068111
• Product of primes p satisfying n <= p <= 2n.at n=14A073838
• Divide n! repeatedly by i! for i from floor(n/2) down through 2; a(n) = remaining quotient.at n=30A111866
• a(n) = Product_{ceiling(n/2) <= k <= n, gcd(k,n)=1} k.at n=29A124442
• a(n) = LCM of the integers, from n/2 to n, which are coprime to n.at n=29A124444
• Denominator of product{k=1 to n} k^mu(k), where mu is the Moebius function A008683.at n=28A130087
• Denominator of product{k=1 to n} k^mu(k), where mu is the Moebius function A008683.at n=29A130087
• Numerators of series expansion of the e.g.f. for the Catalan numbers.at n=15A144186
• a(n) = the smallest positive integer divisible by exactly n distinct primes, where each of these primes has the same number of digits when written in binary.at n=4A162146
• Product of all primes in the interval ((n+1)/2,n].at n=28A212792
• Product of all primes in the interval ((n+1)/2,n].at n=29A212792
• Denominator of sum of fractions A182972(k) / A182973(k) such that A182972(k) + A182973(k) = n.at n=27A245678
• Catalan number analogs for A048804, the generalized binomial coefficients for the radical sequence (A007947).at n=15A246458
• Numbers that are products of at least three consecutive primes.at n=26A257891
• Denominators of the terms of Lehmer's series S_2(2), where S_k(x) = Sum_{n>=1} n^k*x^n/binomial(2*n, n).at n=14A259853
• a(n) = Product(p prime | n < p <= 2*n).at n=15A261130