582930domain: NAppears in sequencesEigentriangle of triangle A022166: T(n,k) = A022166(n,k) * A125812(k).at n=39A143774G.f. A(x) satisfies: A(x) = x + x^2 * exp(4 * Sum_{k>=1} (-1)^(k+1) * A(x^k) / k).at n=11A345245