-12000

Appears in sequences

• Triangle read by rows: T(n,k) = (-1)^k * n! * 2^(n-2*k) * binomial(n,k) * binomial(2*k,k) (0<=k<=n).at n=18A123516
• Antidiagonal expansion of rational polynomial with factors: p(x,n) = If[n == 0, 1/(1 - x), x*ChebyshevU[n, x]/ChebyshevT[n + 1, x]].at n=40A173293
• Expansion of r(q)^4 / r(q^4) in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=33A285629
• Triangle read by rows formed from the coefficients in ascending order of the characteristic polynomial of the n X n matrix M(n) with entries M(n)[i,j] = i*j mod n+1.at n=50A350710