Number of pair-exchange / set-rotate sequences achieving the minimum length of A048200(n).
A061545
Number of pair-exchange / set-rotate sequences achieving the minimum length of A048200(n).
Terms
- a(0) =0a(1) =2a(2) =1a(3) =1a(4) =1a(5) =2a(6) =4a(7) =16a(8) =40a(9) =512a(10) =1472a(11) =65536a(12) =208896
External references
- oeis: A061545