125164domain: NAppears in sequencesG.f. A(x) satisfies: A(x) = x + x^3 * exp(A(x) + A(x^2)/2 + A(x^3)/3 + A(x^4)/4 + ...).at n=27A346020Expansion of 1/Product_{k>=1} (1 - x^k)^(valuation(k,4) + 1).at n=41A373295