572832

Appears in sequences

• a(n) = (n+1)*binomial(n+1,7).at n=11A027767
• a(n) = (n+1)*binomial(n+1,11).at n=7A027771
• Number of nonintersecting (or self-avoiding) rook paths of length 2n+2 joining opposite corners of an n X n grid.at n=7A257888
• Number of nX4 0..n*4-1 arrays with upper left zero and lower right n*4-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two.at n=5A265597
• Number of nX6 0..n*6-1 arrays with upper left zero and lower right n*6-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two.at n=3A265599
• T(n,k)=Number of nXk 0..n*k-1 arrays with upper left zero and lower right n*k-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two.at n=39A265601
• T(n,k)=Number of nXk 0..n*k-1 arrays with upper left zero and lower right n*k-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two.at n=41A265601
• a(n) = 378*n^2 - 54*n (n>=1).at n=38A305070
• Place n equally spaced points on each side of a square, and join each of these points by a chord to the 3*n new points on the other three sides: sequence gives number of regions in the resulting planar graph.at n=17A367278