Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 n X n array.
A220756
Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 n X n array.
Terms
- a(0) =4a(1) =28a(2) =4328a(3) =548130a(4) =1383229596
External references
- oeis: A220756