9699690

Appears in sequences

• Primorial numbers (first definition): product of first n primes. Sometimes written prime(n)#.at n=8A002110
• Third derivative of Catalan generating function/3!.at n=8A030060
• Minimal difference of any increasing arithmetic progression of n primes.at n=18A033188
• Minimal difference of any increasing arithmetic progression of n primes.at n=19A033188
• Minimal difference of any increasing arithmetic progression of n primes.at n=20A033188
• Primorial numbers (second definition): n# = product of primes <= n.at n=20A034386
• Primorial numbers (second definition): n# = product of primes <= n.at n=19A034386
• Primorial numbers (second definition): n# = product of primes <= n.at n=22A034386
• Primorial numbers (second definition): n# = product of primes <= n.at n=21A034386
• Product of 8 successive primes.at n=0A046326
• Triangle read by rows in which row n contains first n numbers with exactly n distinct prime factors.at n=28A048692
• Squarefree kernels of distinct values of lcm(1,...,m) (A051451).at n=12A056603
• Squarefree kernel of lcm(binomial(n,0), ..., binomial(n,n)).at n=22A056606
• Leading least prime signatures, ordered by forming the product of primorials greater than 2 with multiplicities given by the canonical sequence of partitions.at n=30A062515
• Numbers k which, for some r, are r-digit maximizers of k/phi(k).at n=16A065800
• Multi-level primorials: triangle with a(n,k)=a(n-1,k-1)*a(n-1,k) but with a(n,1)=p(n) and a(n,n)=2.at n=37A066119
• a(1)=1; for n > 0, a(n+1) = rad(a(n))*n where rad=A007947.at n=19A066332
• Product of primes < n that do not divide n.at n=22A066838
• Denominator of Sum_{k=1..n} mu(k)/k.at n=21A070889
• Denominator of Sum_{k=1..n} mu(k)/k when it changes sign.at n=7A070891