72745

Appears in sequences

• Row sums of triangle A049424.at n=7A049427
• Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s.at n=4A295249
• Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s.at n=3A295250
• T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s.at n=31A295253
• T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s.at n=32A295253