The number of edges in the directed graph of the 2-opt landscape of the symmetric TSP.
A213269
The number of edges in the directed graph of the 2-opt landscape of the symmetric TSP.
Terms
- a(0) =0a(1) =6a(2) =60a(3) =540a(4) =5040a(5) =50400a(6) =544320a(7) =6350400a(8) =79833600a(9) =1077753600a(10) =15567552000a(11) =239740300800
External references
- oeis: A213269