742560
domain: N
Appears in sequences
- Product of 5 consecutive integers.at n=17A052787
- E.g.f.: x^5*exp(x)-x^5.at n=17A052800
- Numbers that can be expressed as the difference of the squares of primes in exactly twelve distinct ways.at n=16A092008
- a(n) = n*(n-1)*(n-2)*(n-3)*...*(n-k) such that (n-k) is the largest prime smaller than n.at n=16A117481
- Triangle T(n,k), 1<=k<=n, read by rows given by T(n,k) = A003266(n)/A000045(k).at n=39A121284
- Triangle S(n,k) by rows: coefficients of 4^((n-1)/2)*(x^(1/4)*d/dx)^n when n is odd, and of 4^(n/2)*(x^(3/4)*d/dx)^n when n is even.at n=37A223170
- Triangle S(n,k) by rows: coefficients of 4^((n-1)/2)*(x^(1/4)*d/dx)^n when n=1,3,5,...at n=17A223527
- a(n) = Product_{k = 1+n-floor(n/3) .. n} k.at n=16A254865
- Triangle read by rows, interpolating between the central binomial coefficients and the central coefficients of the Catalan triangle. T(n, k) for 0 <= k <= n.at n=32A330798
- E.g.f. satisfies A(x) = -log(1 - x * exp(2 * A(x))).at n=6A357392
- a(n) is the smallest number with exactly n divisors that are n-gonal pyramidal numbers.at n=6A358540
- a(n) = Product_{i=prime(n)..prime(n+1)} i.at n=5A361761
- a(n) = Product_{k=0..n-1} (3*n+k-2).at n=5A384262