Number of self-avoiding closed paths in the 5 X n grid graph which pass through all vertices on four (left, right, upper, lower) sides of the graph.

A358696

Number of self-avoiding closed paths in the 5 X n grid graph which pass through all vertices on four (left, right, upper, lower) sides of the graph.

Terms

    a(0) =1a(1) =5a(2) =36a(3) =191a(4) =1123a(5) =6410a(6) =37165a(7) =214515a(8) =1240200a(9) =7165033a(10) =41403125a(11) =239227616a(12) =1382302375a(13) =7987125379a(14) =46150853892a(15) =266666446637

External references