Shifts left 2 places under "CIJ" (necklace, indistinct, labeled) transform.
A032186
Shifts left 2 places under "CIJ" (necklace, indistinct, labeled) transform.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =27a(6) =160a(7) =1183a(8) =10477a(9) =108149a(10) =1275024a(11) =16903440a(12) =248915119a(13) =4031045212a(14) =71202358081
External references
- oeis: A032186