68685

Appears in sequences

• Number of colored quivers in the 4-mutation class of a quiver of Dynkin type A_n.at n=7A221184
• Array read by antidiagonals: T(n,k) = number of nonequivalent dissections of a polygon into n k-gons by nonintersecting diagonals up to rotation (k >= 3).at n=62A295224
• Numbers k such that prime(k+1)^prime(k+3) == prime(k) mod prime(k+2).at n=36A335571
• Array read by antidiagonals: T(n,k) is the number of noncrossing k-gonal cacti with n polygons up to rotation and reflection.at n=63A361239
• Number of nonequivalent noncrossing triangular cacti with n triangles up to rotation and reflection.at n=8A361240