67792

Appears in sequences

• Number of one-sided chessboard polyominoes with n cells.at n=10A001071
• Number of one-sided chessboard polyominoes with n cells (similar to but different from A001071).at n=10A121198
• Number of permutations of floor(i*7/2), i=0..n-1, with all sums of two and three adjacent terms respectively unique.at n=8A147894
• Number of 1-sided polyrhombs with n cells.at n=10A151522
• Number of free poly-IH61 tiles (holes allowed) with n cells.at n=10A197626
• Number of nX5 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=5A317893
• Number of n X 6 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=4A317894
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=49A317896
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=50A317896