-6020

Appears in sequences

• Triangle of coefficients of (1 - x)^n*U(n,-(3*x - 2)/(2*x - 2)), where U(n,x) is the n-th Chebyshev polynomial of the second kind.at n=32A123027
• Expansion of Sum_{k>0} x^(4*k)/(1+x^k)^5.at n=20A363618