272134

Appears in sequences

• Number of n X 3 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 3 and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=14A253006
• Number of nX6 binary arrays with rows and columns lexicographically nondecreasing and row and column sums nonincreasing.at n=13A266545