2641766400

Appears in sequences

• Denominator of (-1)^n*n!*(E(n,2)-E(n,1)*E(n-1,1)) where E(n,x) = Sum_{k=0..n} (-1)^k*x^k/k!.at n=17A065953
• A triangular sequence based on a further generalization of the Cornelius-Schultz matrix polynomials to two sequences in i and j. a(n)=(n-1)!/f[n]: f[n]-> Fibonacci numbers; c(n)=1/n; B(i,j)=(-1)^(i + j)*a[j + 1]*c[i + 1]/(j!*(i - j)!) as a lower triangular matrix.at n=28A135256
• Denominators of coefficients in expansion of (cos x)/(1 - x - x^2).at n=14A279311
• E.g.f.: Product_{k>=1} (1 + x^(4*k-1) / (4*k-1)).at n=14A326855
• a(n) = n! * Prod_{k=1..n} Fibonacci(k).at n=8A385630