Number of permutations of n^2 distinct integers free of any monotonic increasing or decreasing (n+1)-subsequence.
A079402
Number of permutations of n^2 distinct integers free of any monotonic increasing or decreasing (n+1)-subsequence.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =1764a(4) =577152576
External references
- oeis: A079402