Number of degree-n permutations such that number of cycles of size 2k-1 is odd (or zero) for every k.
A130278
Number of degree-n permutations such that number of cycles of size 2k-1 is odd (or zero) for every k.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =6a(4) =17a(5) =100a(6) =529a(7) =3766a(8) =31121a(9) =276984a(10) =2755553a(11) =29665306a(12) =364627801a(13) =4639937380a(14) =64952094401a(15) =973467571350
External references
- oeis: A130278