198816

Appears in sequences

• Number of n X 7 binary arrays without the pattern 0 1 diagonally or antidiagonally.at n=14A188822
• Number of nX7 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.at n=2A269034
• T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.at n=38A269035
• Number of 3 X n 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.at n=6A269037
• a(n) = n*(15*n^2 - 15*n + 4).at n=24A272134