Number of permutations of 4*n objects with exactly 3*n cycles.
A384130
Number of permutations of 4*n objects with exactly 3*n cycles.
Terms
- a(0) =1a(1) =6a(2) =322a(3) =32670a(4) =4899622a(5) =973941900a(6) =241276443496
External references
- oeis: A384130