Number of nX7 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 nX7 array.
A219815
Number of nX7 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 nX7 array.
Terms
- a(0) =28a(1) =91a(2) =1588a(3) =22017a(4) =283334a(5) =3967857a(6) =59065976a(7) =864699568a(8) =12174420630a(9) =164256040933
External references
- oeis: A219815