Number of n X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 n X n array.
A219932
Number of n X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 n X n array.
Terms
- a(0) =4a(1) =23a(2) =368a(3) =21512a(4) =3773045a(5) =2574187888
External references
- oeis: A219932