Number of simple graphs on n unlabeled nodes with total domination number 2.
A332406
Number of simple graphs on n unlabeled nodes with total domination number 2.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =6a(4) =19a(5) =96a(6) =670a(7) =8191a(8) =183149a(9) =7888271
External references
- oeis: A332406