Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X n array.
A219679
Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X n array.
Terms
- a(0) =3a(1) =4a(2) =31a(3) =427a(4) =8964a(5) =344926a(6) =35011623a(7) =10451333258
External references
- oeis: A219679