Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array.
A219820
Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array.
Terms
- a(0) =21a(1) =106a(2) =987a(3) =7689a(4) =62341a(5) =510090a(6) =3967857a(7) =29319493a(8) =208512645a(9) =1441204373a(10) =9713994355a(11) =63854007986a(12) =409453128441
External references
- oeis: A219820