5967382200

Appears in sequences

• Number of nonequivalent dissections of a polygon into n triangles by nonintersecting diagonals rooted at a cell up to rotation.at n=19A003441
• T(2n+3, n), array T as in A051168; a count of Lyndon words.at n=19A050181
• a(n) = binomial(6*n + 5, 3*n + 1)/(6*n + 5).at n=6A265101