294904domain: NAppears in sequencesa(n) = T(8,n), array T given by A048483.at n=15A048491a(n) is the smallest positive number B that yields a solution for k = A167219(n).at n=45A167221Expansion of (1+5*x+7*x^2-x^3)/((1-2*x^2)*(1-x)*(1+x)).at n=30A224692