75412

Appears in sequences

• Number of n X 2 binary arrays with every one adjacent to another one horizontally or vertically.at n=8A202796
• T(n,k) = Number of n X k binary arrays with every one adjacent to another one horizontally or vertically.at n=46A202802
• Number of compositions of n where the difference between largest and smallest parts equals one.at n=23A214259
• T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 3 1s.at n=46A295416
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by a tile that is fixed under 180-degree rotation but not horizontal or vertical reflections.at n=42A368256