121107

Appears in sequences

• Number of 2 X 2 matrices having all terms in {1,...,n} and determinant d satisfying -n < d < n.at n=32A211070
• Unchanging value maps: number of nX5 binary arrays indicating the locations of corresponding elements unequal to no king-move neighbor in a random 0..2 nX5 array.at n=6A219448
• Unchanging value maps: number of n X 7 binary arrays indicating the locations of corresponding elements unequal to no king-move neighbor in a random 0..2 n X 7 array.at n=4A219450
• T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no king-move neighbor in a random 0..2 nXk array.at n=59A219451