Number of endofunctions on [n] whose cycle lengths are multiples of 6.
A246613
Number of endofunctions on [n] whose cycle lengths are multiples of 6.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =120a(7) =5040a(8) =161280a(9) =4898880a(10) =151200000a(11) =4870182240a(12) =165589522560
External references
- oeis: A246613