Number of white corners in all permutations of {1,2,...,n} (for definition see the Eriksson-Linusson references).
A140712
Number of white corners in all permutations of {1,2,...,n} (for definition see the Eriksson-Linusson references).
Terms
- a(0) =0a(1) =1a(2) =6a(3) =37a(4) =256a(5) =2000a(6) =17520a(7) =170520a(8) =1827840a(9) =21409920a(10) =272160000a(11) =3732220800a(12) =54925516800a(13) =863480217600
External references
- oeis: A140712