53104

Appears in sequences

• Structured heptagonal diamond numbers (vertex structure 5).at n=31A100179
• Number of fusenes with 24 hexagons, C_(2v) symmetry and containing n carbon atoms.at n=16A123606
• Number of regions formed inside a square with edge length 1 by the straight line segments mutually connecting all vertices and points that divide the sides into segments with lengths equal to the Farey series of order n = A006842(n,k)/A006843(n,k), k = 1..A005728(n).at n=4A358886