Number of completely asymmetric matchings (not containing centered or coupled arcs) of [2n].
A382134
Number of completely asymmetric matchings (not containing centered or coupled arcs) of [2n].
Terms
- a(0) =1a(1) =0a(2) =0a(3) =8a(4) =48a(5) =384a(6) =4480a(7) =59520a(8) =897792a(9) =15368192a(10) =293769216a(11) =6198589440a(12) =143130972160
External references
- oeis: A382134