15023376

Appears in sequences

• Squares of even pentagonal numbers.at n=25A014770
• Number of n X 6 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=16A208140
• a(n) = binomial(n+4, n)^2. Square of the fifth diagonal sequence of A007318 (Pascal). Fifth diagonal sequence of A008459.at n=15A288876
• a(n) is the number of subsets of {1..n} that contain 4 even and 4 odd numbers.at n=38A331575