Number of independent vertex subsets of the graph obtained by attaching two pendant edges to each vertex of the ladder graph L_n (L_n is the 2 X n grid graph; see A235117).
A235118
Number of independent vertex subsets of the graph obtained by attaching two pendant edges to each vertex of the ladder graph L_n (L_n is the 2 X n grid graph; see A235117).
Terms
- a(0) =1a(1) =24a(2) =544a(3) =12416a(4) =283136a(5) =6457344a(6) =147267584a(7) =3358621696a(8) =76597559296
External references
- oeis: A235118