Number of 6Xn 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 6Xn array.
A220015
Number of 6Xn 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 6Xn array.
Terms
- a(0) =56a(1) =308a(2) =9094a(3) =204056a(4) =4176405a(5) =83856137a(6) =1708594026a(7) =34797091227a(8) =689161340620
External references
- oeis: A220015