83404

Appears in sequences

• Number of polygon edges formed when connecting all 4n points on the perimeter of an n X n square by infinite lines.at n=8A345650
• Triangle read by rows: T(n,k) is the k-th Lie-Betti number of the Fibonacci trees of order n >= 2.at n=35A368135
• Triangle read by rows: T(n,k) is the k-th Lie-Betti number of the Fibonacci trees of order n >= 2.at n=40A368135