Number of n X 6 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 6 array.
A219913
Number of n X 6 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 6 array.
Terms
- a(0) =21a(1) =21a(2) =308a(3) =2215a(4) =16159a(5) =105936a(6) =715430a(7) =4968426a(8) =34708110a(9) =235821971a(10) =1533422780a(11) =9520703855a(12) =56784842083a(13) =327953470848
External references
- oeis: A219913