Number of (undirected) paths in the n-barbell graph.
A288703
Number of (undirected) paths in the n-barbell graph.
Terms
- a(0) =1a(1) =6a(2) =37a(3) =316a(4) =4545a(5) =108226a(6) =3843541a(7) =187799592a(8) =12013365601a(9) =973014552190
External references
- oeis: A288703