Number of spanning forests in 3 X n grid.

A158450

Number of spanning forests in 3 X n grid.

Terms

    a(0) =1a(1) =4a(2) =112a(3) =3102a(4) =85818a(5) =2373870a(6) =65664106a(7) =1816344222a(8) =50242141946

External references