969969

Appears in sequences

• Numerators in expansion of (1 - x)^(-3/2).at n=10A001803
• a(0) = 1; thereafter a(n) = denominator of (n-2)!! / (n-1)!!.at n=22A004731
• Denominator of average distance traveled by n-dimensional fly.at n=19A004735
• a(1)=1; for n >= 1, a(n+1) = lcm(a(n),n) / gcd(a(n),n).at n=21A008339
• Number of diagonal dissections of an n-gon into 5 regions.at n=11A033277
• Denominators of partial sums of Bernoulli numbers B_{2n} = A000367/A002445.at n=10A035077
• Palindromes which are the product of 6 distinct primes.at n=6A046396
• Squarefree part of n!: n! divided by its largest square divisor.at n=20A055204
• Product of primes < n that do not divide n.at n=19A066838
• a(n) = n!/(1!*2!*3!*...*k!) where k is the largest integer such that 1!*2!*3!*...*k! divides n!.at n=18A074199
• a(1) = 1, a(n) = lcm(n, a(n-1)) / gcd(n, a(n-1)).at n=20A077139
• Numerator of mean deviation of a symmetrical binomial distribution on n elements.at n=20A086116
• Numerator of mean deviation of a symmetrical binomial distribution on n elements.at n=21A086116
• Smallest deficient number with n distinct prime factors.at n=5A087234
• Smallest integer value of n!/(m_1!*m_2!*...*m_k!), where 1=m_1 < m_2 < ... is the sequence of integers coprime to n.at n=18A088303
• Largest palindromic divisor of n!.at n=19A093888
• Largest palindromic divisor of n!.at n=21A093888
• Largest palindromic divisor of n!.at n=20A093888
• a(n) = A111877(n+1)/5.at n=8A111878
• a(n) = A111877(n+1)/5.at n=7A111878