Number of permutations in S_n whose Rothe diagram can be rearranged to give the complement of a skew shape.
A212884
Number of permutations in S_n whose Rothe diagram can be rearranged to give the complement of a skew shape.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =112a(6) =572a(7) =3116a(8) =17871a(9) =106959a(10) =663526a(11) =4243490a(12) =27856087a(13) =187029655a(14) =1280660596a(15) =8921737864a(16) =63108620169a(17) =452503644985
External references
- oeis: A212884