89487
domain: N
Appears in sequences
- a(n) is the n-th diagonal sum of left justified array T given by A027960.at n=36A027975
- Number of nX7 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself.at n=1A266032
- T(n,k)=Number of nXk integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself.at n=29A266033
- Number of 2Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself.at n=6A266034