Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X n array.

A219513

Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X n array.

Terms

    a(0) =2a(1) =3a(2) =11a(3) =68a(4) =620a(5) =9292a(6) =241413a(7) =12385870a(8) =1316975534a(9) =278163891037

External references