51495

Appears in sequences

• Triangle of rooted planar maps.at n=49A046651
• Triangle read by rows: T(n,k) is the number of nonseparable planar maps with r*n edges and a fixed outer face of r*k edges which are invariant under a rotation of 1/r for any r >= 2 (independent of actual value of r).at n=50A091599
• Maximum cycle size in range [A014137(n-1)..A014138(n-1)] of permutation A125987/A125988.at n=12A126296