Number of complete mappings of the cyclic group Z_{2n+1}.

A003111

Number of complete mappings of the cyclic group Z_{2n+1}.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =19a(4) =225a(5) =3441a(6) =79259a(7) =2424195a(8) =94471089a(9) =4613520889a(10) =275148653115

External references