208559

Appears in sequences

• Number of n X n 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly one element.at n=4A282784
• Number of nX5 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly one element.at n=4A282788
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly one element.at n=40A282791
• Number of fixed hexagonal polyominoes with n cells that have a horizontal axis of symmetry that connects the midpoints of opposite edges of one of the n cells.at n=17A347257