Number of connected spanning subgraphs in the 4 X n grid graph.
A359991
Number of connected spanning subgraphs in the 4 X n grid graph.
Terms
- a(0) =1a(1) =105a(2) =7857a(3) =555195a(4) =38757695a(5) =2698167665a(6) =187715481077
External references
- oeis: A359991