Number of permutations of n elements with an odd number of fixed points.
A063083
Number of permutations of n elements with an odd number of fixed points.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =4a(4) =8a(5) =56a(6) =304a(7) =2192a(8) =17408a(9) =156928a(10) =1568768a(11) =17257472a(12) =207087616a(13) =2692143104a(14) =37689995264a(15) =565349945344
External references
- oeis: A063083