315614844558domain: NAppears in sequencesNumber of nonequivalent dissections of a polygon into n triangles by nonintersecting diagonals rooted at a cell up to rotation.at n=22A003441T(2n+3, n), array T as in A051168; a count of Lyndon words.at n=22A050181a(n) = binomial(6*n + 5, 3*n + 1)/(6*n + 5).at n=7A265101