Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 4Xn array.
A219474
Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 4Xn array.
Terms
- a(0) =35a(1) =239a(2) =5040a(3) =87083a(4) =1227441a(5) =14696377a(6) =157191488a(7) =1532762665a(8) =13807624794a(9) =116296337706a(10) =924459750842
External references
- oeis: A219474