Number of permutations of [n] with exactly 5 fixed points.
A129135
Number of permutations of [n] with exactly 5 fixed points.
Terms
- a(0) =1a(1) =0a(2) =21a(3) =112a(4) =1134a(5) =11088a(6) =122430a(7) =1468368a(8) =19090071a(9) =267258992a(10) =4008887883a(11) =64142201760
External references
- oeis: A129135