Number of simple labeled graphs on {1,2,...,n} such that the node labeled with 1 is in the same component as the node labeled with 2.
A224510
Number of simple labeled graphs on {1,2,...,n} such that the node labeled with 1 is in the same component as the node labeled with 2.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =5a(4) =48a(5) =874a(6) =30264a(7) =2019680a(8) =263757552a(9) =68148453616
External references
- oeis: A224510