11814728

Appears in sequences

• G.f.: (1 - 7*x - sqrt(49*x^2 - 18*x + 1))/(2*x).at n=7A082366
• a(n) = [x^n] 1/(1 - n*x - x/(1 - n*x - x/(1 - n*x - x/(1 - n*x - x/(1 - ...))))), a continued fraction.at n=7A302286