Shifts left under "BIJ" (reversible, indistinct, labeled) transform.
A032117
Shifts left under "BIJ" (reversible, indistinct, labeled) transform.
Terms
- a(0) =2a(1) =2a(2) =6a(3) =42a(4) =438a(5) =5898a(6) =97014a(7) =1884618a(8) =42222582a(9) =1071688842a(10) =30393721206a(11) =952533098442
External references
- oeis: A032117