64128064

Appears in sequences

• Squares of numbers in array formed from even elements to the right of middle of rows of Pascal triangle.at n=25A014762
• Squares of the form u'v'w, where in decimal representation u=n^2, v=2*n^2 and w=n^2 possibly with a leading zero.at n=7A077432
• a(n) = maximal value of C(i, j) * C(n-j, n-i) for 0 <= j <= i <= n.at n=21A094291
• Maximal number of longest common subsequences between any two binary strings of length n (Version 1).at n=21A094837
• Binomial(n-k,k)^2 where k = ceiling(n/4).at n=22A171001
• A lower bound for A094837.at n=21A171003