Number of non-intersecting cycle systems in a particular directed graph.
A112831
Number of non-intersecting cycle systems in a particular directed graph.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =17a(4) =74a(5) =365a(6) =1889a(7) =9938a(8) =52565a(9) =278513a(10) =1476506a(11) =7828925a(12) =41513921a(13) =220137122a(14) =1167334565a(15) =6190107857a(16) =32824743914a(17) =174062236685a(18) =923012961569
External references
- oeis: A112831