Number of graphs on n labeled nodes with maximal degree exactly 2.

A136284

Number of graphs on n labeled nodes with maximal degree exactly 2.

Terms

    a(0) =0a(1) =0a(2) =4a(3) =31a(4) =227a(5) =1782a(6) =15564a(7) =151455a(8) =1635703a(9) =19457998a(10) =252962528a(11) =3568119351a(12) =54262590843a(13) =884831668974

External references