Number of simple connected graphs on n unlabeled nodes with radius 2.
A324061
Number of simple connected graphs on n unlabeled nodes with radius 2.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =2a(4) =10a(5) =76a(6) =682a(7) =9864a(8) =245518a(9) =11366961
External references
- oeis: A324061