-192*n^2*(1 + n)*(88 + 35*n)*f[n] + 
 (1 + n)*(54864 + 100586*n + 59889*n^2 + 11305*n^3)*f[1 + n] - 
 (2 + n)*(43362 + 63493*n + 30114*n^2 + 4655*n^3)*f[2 + n] + 
 2*(2 + n)*(3 + n)^2*(53 + 35*n)*f[3 + n]
