Number of point-labeled reduced two-graphs with n nodes.
A007833
Number of point-labeled reduced two-graphs with n nodes.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =28a(5) =448a(6) =18788a(7) =1419852a(8) =207249896a(9) =58206408344
External references
- oeis: A007833