Number of permutations of n distinct letters (ABCD...) each of which appears thrice with three fixed points.
A124043
Number of permutations of n distinct letters (ABCD...) each of which appears thrice with three fixed points.
Terms
- a(0) =1a(1) =0a(2) =435a(3) =90944a(4) =40563765a(5) =32659846104
External references
- oeis: A124043