283504domain: NAppears in sequencesG.f. A(x) satisfies: A(x) = Sum_{n>=0} x^n/(1 - x*A(x)^n).at n=11A340911Length of the long leg in the unique primitive Pythagorean triple (x,y,z) such that (x-y+z)/2 = A000045(n) and its long leg and hypotenuse are consecutive natural numbers.at n=14A382843