Number of edge subsets E of the 3 X n grid graph such that E contains a path between the top left node and the bottom right node.

A349596

Number of edge subsets E of the 3 X n grid graph such that E contains a path between the top left node and the bottom right node.

Terms

    a(0) =1a(1) =40a(2) =1135a(3) =28942a(4) =707239a(5) =16963938a(6) =403490839a(7) =9560192914a(8) =226115020735

External references