Number of nX6 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..3 nX6 array.
A220008
Number of nX6 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..3 nX6 array.
Terms
- a(0) =56a(1) =154a(2) =5686a(3) =172143a(4) =4135362a(5) =83856137a(6) =1728522691a(7) =38003119019a(8) =846454884120
External references
- oeis: A220008