Number of permutations sigma of [3n] without fixed points such that sigma^3 = Id.
A052502
Number of permutations sigma of [3n] without fixed points such that sigma^3 = Id.
Terms
- a(0) =1a(1) =2a(2) =40a(3) =2240a(4) =246400a(5) =44844800a(6) =12197785600
External references
- oeis: A052502