Number of 4Xn 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 nonincreasing columns, 0..3 4Xn array.
A220047
Number of 4Xn 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 nonincreasing columns, 0..3 4Xn array.
Terms
- a(0) =35a(1) =181a(2) =927a(3) =8337a(4) =53266a(5) =313386a(6) =1746346a(7) =9367123a(8) =48895966a(9) =246045686a(10) =1193350361a(11) =5576247662a(12) =25174878509a(13) =110159988971a(14) =468565872713
External references
- oeis: A220047