Number of permutations of [n] where the length of the longest increasing subsequence is larger than the length of the longest decreasing subsequence.
A321314
Number of permutations of [n] where the length of the longest increasing subsequence is larger than the length of the longest decreasing subsequence.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =10a(4) =42a(5) =232a(6) =1879a(7) =15228a(8) =131452a(9) =1329136a(10) =15106976a(11) =182954700a(12) =2363478435a(13) =33096395494a(14) =501248446126
External references
- oeis: A321314