747253
domain: N
Appears in sequences
- Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.at n=12A208103
- T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order.at n=22A263602
- Number of (2+1)X(n+1) arrays of permutations of 0..n*3+2 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order.at n=5A263604