Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array.
A220152
Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array.
Terms
- a(0) =28a(1) =197a(2) =2841a(3) =53947a(4) =1272216a(5) =32566283a(6) =822242009a(7) =19788620178a(8) =451988194616
External references
- oeis: A220152