Number of simple regular trivalent bicolored graphs with 2n nodes.
A004066
Number of simple regular trivalent bicolored graphs with 2n nodes.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =6a(6) =14a(7) =41a(8) =157a(9) =725a(10) =4196a(11) =29817a(12) =246646a(13) =2297088a(14) =23503564a(15) =260265650a(16) =3090341095a(17) =39101587595a(18) =524783295041
External references
- oeis: A004066