417240

Appears in sequences

• Triangle of Fibonomial coefficients (k=3).at n=24A034802
• Triangle of rooted planar maps.at n=52A046651
• 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=47A091599