Number of 5Xn 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 5Xn array.
A219689
Number of 5Xn 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 5Xn array.
Terms
- a(0) =15a(1) =35a(2) =269a(3) =1688a(4) =8964a(5) =44736a(6) =219216a(7) =1062133a(8) =5046678a(9) =23361295a(10) =105246826a(11) =462379361a(12) =1984693730a(13) =8329188237a(14) =34174571720a(15) =137072090506a(16) =537533392034
External references
- oeis: A219689