205330domain: NAppears in sequencesLeast k such that the first k terms of the Kolakoski sequence (A000002) contain n more 1's than 2's.at n=27A022327G.f. A(x) satisfies: A(x) = x - x^2 * exp(A(x) + A(x^2)/2 + A(x^3)/3 + A(x^4)/4 + ...).at n=35A363062