597861

Appears in sequences

• Number of possible squares on an n^2 X n^2 grid.at n=10A113754
• a(n) = Sum_{k=2..n} 9^k.at n=5A247842
• Largest number of maximum matchings in a tree of n vertices.at n=41A333347
• Intersection of A228058 and A260021.at n=2A354362
• a(n) = 3^(n - 1) * (9^n - 1) / 8, n >= 1.at n=4A367275