Number of simple unlabeled graphs on n nodes with exactly 8 connected components that are trees or cycles.

A215988

Number of simple unlabeled graphs on n nodes with exactly 8 connected components that are trees or cycles.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =6a(4) =13a(5) =26a(6) =56a(7) =115a(8) =247a(9) =532a(10) =1172a(11) =2627a(12) =6017a(13) =14020a(14) =33263a(15) =80196a(16) =196133a(17) =485993a(18) =1218103a(19) =3084686a(20) =7882748a(21) =20309036a(22) =52704689a(23) =137675229a(24) =361761187a(25) =955688561a(26) =2537043121a(27) =6765174365a(28) =18113821981a(29) =48683671360

External references