Number of n X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 n X n array.
A218515
Number of n X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 n X n array.
Terms
- a(0) =4a(1) =36a(2) =4634a(3) =1608968a(4) =3856183182
External references
- oeis: A218515