Number of complete mappings f(x) of the cyclic group Z_{2n+1} such that -f(-x)=f.
A071706
Number of complete mappings f(x) of the cyclic group Z_{2n+1} such that -f(-x)=f.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =5a(4) =21a(5) =69a(6) =319a(7) =1957a(8) =12513a(9) =85445a(10) =656771a(11) =5591277a(12) =51531405a(13) =509874417a(14) =5438826975a(15) =62000480093a(16) =752464463029
External references
- oeis: A071706