Number of no-leaf subgraphs of the 4 X n grid.
A320097
Number of no-leaf subgraphs of the 4 X n grid.
Terms
- a(0) =1a(1) =15a(2) =463a(3) =16372a(4) =583199a(5) =20788249a(6) =741026781a(7) =26415034787a(8) =941604528692
External references
- oeis: A320097