41918

Appears in sequences

• Number of ways to place 3 nonattacking nightriders on a 3 X n board.at n=22A172218
• Number of (n+2) X 3 binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals.at n=8A202525
• T(n,k) = Number of (n+2) X (k+2) binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals.at n=36A202532
• Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=10A316736