420657877
domain: N
Appears in sequences
- Number of nX3 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.at n=4A206792
- Number of nX5 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.at n=2A206794
- T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.at n=23A206797
- T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.at n=25A206797