154224
domain: N
Appears in sequences
- a(n) = (n+1)*binomial(n+1,5).at n=13A027765
- a(n) = (n+1)*binomial(n+1,13).at n=5A027773
- Number of reduced words of length n in the Weyl group B_16.at n=7A161876
- Number of reduced words of length n in the Weyl group D_16.at n=7A162327
- Integers with exactly 100 divisors.at n=8A163816
- Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|>=n+|y-z|.at n=33A212688
- Binomial(n-1,3)+3*binomial(n-1,4)+6*binomial(n-1,5)+5*binomial(n-1,6).at n=18A235593
- a(n) = (n+1)!*Sum_{k=0..(n-1)/2}(k!*stirling1(n-k,k+1)*(-1)^(n+1)/(n-k)!/(k+1)!).at n=8A270707
- G.f. A(x,y) = lim_{N->infinity} (1 - P(N,x,y))/(2*x)^N, where P(0,x,y) = -y, and P(n+1,x,y) = sqrt(1 - 4*x + 4*x*P(n,x,y)) for n = 0..N-1.at n=50A352093
- a(n) is the least number with exactly n divisors of the form 5*k+1.at n=24A364586
- a(n) is the least number with exactly n divisors of the form 5*k+4.at n=25A364600