116497domain: NAppears in sequencesNumber of elements in n-th string generated by a Kolakoski(5,1) rule starting with a(1)=1.at n=17A095342G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - 3 * x * A(x)^2)).at n=5A349254Expansion of Sum_{k>0} x^k / (1 - 2 * x^k)^(k+1).at n=13A360797