-3970

Appears in sequences

• Real part of Gaussian amicable numbers in order of increasing magnitude. See A102925 for the imaginary part.at n=5A102924
• 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=34A123027
• Expansion of Product_{k>=1} (1 - x^k)^k/(1 - x^(5*k))^(5*k).at n=32A285285