Array read by columns: T(n,m) = number of unlabeled graphs with n vertices and m unicyclic components.
A137918
Array read by columns: T(n,m) = number of unlabeled graphs with n vertices and m unicyclic components.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =13a(4) =1a(5) =33a(6) =2a(7) =89a(8) =8a(9) =240a(10) =23a(11) =1a(12) =657a(13) =74a(14) =2a(15) =1806a(16) =220a(17) =8a(18) =5026a(19) =674a(20) =27a(21) =1a(22) =13999a(23) =2011a(24) =89a(25) =2a(26) =39260a(27) =6038a(28) =289a(29) =8
External references
- oeis: A137918