Number of labeled 2-connected multigraphs with n edges (the vertices are {1,2,...,k} for some k).
A322140
Number of labeled 2-connected multigraphs with n edges (the vertices are {1,2,...,k} for some k).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =7a(5) =37a(6) =262a(7) =2312a(8) =24338a(9) =296928a(10) =4112957a(11) =63692909a(12) =1089526922a(13) =20389411551a(14) =414146189901
External references
- oeis: A322140