150352

Appears in sequences

• Number of nX4 0..1 arrays with every element equal to 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=5A300423
• Number of nX6 0..1 arrays with every element equal to 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=3A300425
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=39A300427
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=41A300427
• Number of Dean words of length n, i.e., squarefree reduced words over {0,1,2,3}.at n=25A343421