531731935domain: NAppears in sequencesExpansion of series reversion of x*(1-8*x)/(1-x).at n=7A131869a(n) = [x^n] 1/(1 - n*x/(1 - x - n*x/(1 - x - n*x/(1 - x - n*x/(1 - x - n*x/(1 - ...)))))), a continued fraction.at n=7A304936