Number of n X 3 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself.
A266028
Number of n X 3 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself.
Terms
- a(0) =5a(1) =50a(2) =481a(3) =4659a(4) =45361a(5) =440405a(6) =4281953a(7) =41605113a(8) =404371841a(9) =3929676961a(10) =38190819553a(11) =371149900881
External references
- oeis: A266028