128740

Appears in sequences

• a(n) = (4*n^3 + n^2 - 3*n)/2.at n=40A172073
• Number of n X 6 binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.at n=4A228658
• T(n,k)=Number of nXk binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.at n=49A228660
• Number of 5 X n binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.at n=5A228664