572033

Appears in sequences

• a(n) = 7*binomial(2n,n-3)/(n+4).at n=12A000588
• a(n) = T(2n,n-1), where T is defined in A026022.at n=10A026030
• a(n) = LCM(binomial(n,0), ..., binomial(n,n)) / binomial(n,floor(n/2)).at n=47A048619
• Quotient: squarefree kernel of lcm(1,..,n) (or of n!) divided by kernel of central binomial coefficient.at n=44A056610
• Quotient: squarefree kernel of lcm(1,..,n) (or of n!) divided by kernel of central binomial coefficient.at n=45A056610
• Quotient: squarefree kernel of lcm(1,..,n) (or of n!) divided by kernel of central binomial coefficient.at n=46A056610
• Quotient: squarefree kernel of lcm(1,..,n) (or of n!) divided by kernel of central binomial coefficient.at n=47A056610
• Quotient: squarefree kernel of A002944(n) divided by that of A001405.at n=45A056611
• Quotient: squarefree kernel of A002944(n) divided by that of A001405.at n=46A056611
• a(n) = lcm(1,2,...,2*n) / (n*binomial(2*n, n)).at n=23A068553
• 10th column of Catalan triangle A009766.at n=6A124088
• Triangle read by rows: T(n,k) = (4k+3)/(n+2k+2)*binomial(2n,n+2k+1).at n=38A158483
• Product of primes which do not exceed n and do not divide the swinging factorial n$ (A056040).at n=46A163644
• Product of primes which do not exceed n and do not divide the swinging factorial n$ (A056040).at n=47A163644
• Product of primes which do not exceed n and do not divide the swinging factorial n$ (A056040).at n=48A163644
• Number of ballot sequences of length n having 9 largest parts.at n=15A244106
• a(n) is the denominator of the sum of reciprocals of primes not exceeding n and not dividing binomial(2*n, n).at n=22A334075
• a(n) is the denominator of the sum of reciprocals of primes not exceeding n and not dividing binomial(2*n, n).at n=23A334075
• a(n) is the denominator of Catalan-Daehee number d(n).at n=23A344850
• Column 0 of the irregular triangle A355588.at n=25A355952