Number of different Euler multigraphs with n edges, loops forbidden.

A068592

Number of different Euler multigraphs with n edges, loops forbidden.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =4a(4) =4a(5) =15a(6) =22a(7) =68a(8) =131a(9) =376a(10) =892a(11) =2627a(12) =7217a(13) =22349a(14) =67271a(15) =229553

External references