Number of edge covers for the circular ladder (n-prism graph) C_n X K_2.

A123304

Number of edge covers for the circular ladder (n-prism graph) C_n X K_2.

Terms

    a(0) =4a(1) =5a(2) =43a(3) =263a(4) =1699a(5) =10895a(6) =69943a(7) =448943a(8) =2881699a(9) =18497135a(10) =118730023a(11) =762108143a(12) =4891844659a(13) =31399932335a(14) =201550911703

External references