Number of labeled multigraphs with loops and with n edges and no vertex of degree 0.

A121227

Number of labeled multigraphs with loops and with n edges and no vertex of degree 0.

Terms

    a(0) =1a(1) =2a(2) =14a(3) =150a(4) =2210a(5) =41642a(6) =956878a(7) =25955630a(8) =811819826a(9) =28764498386

External references