Number of n-permutations having all cycles of odd length and at most one fixed point.
A214849
Number of n-permutations having all cycles of odd length and at most one fixed point.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =2a(4) =8a(5) =24a(6) =184a(7) =1000a(8) =8448a(9) =66752a(10) =670976a(11) =6771456a(12) =80540800a(13) =981684352a(14) =13555365888a(15) =193136762624
External references
- oeis: A214849