9140118domain: NAppears in sequencesExpansion of series reversion of x(1-7x)/(1-x).at n=6A131926a(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=6A304936