50869

Appears in sequences

• n^2(n+1)(2n+1)^2(7n+1)/36.at n=6A073351
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 345", based on the 5-celled von Neumann neighborhood.at n=41A271295
• Number of polygons formed when every pair of vertices of a regular n-gon are joined by an infinite line.at n=26A344857
• Number of polygons formed when every pair of vertices of a regular (2n-1)-gon are joined by an infinite line.at n=13A344866