Number of (non-null) connected induced subgraphs in the 2 X n rook graph.

A360874

Number of (non-null) connected induced subgraphs in the 2 X n rook graph.

Terms

    a(0) =3a(1) =13a(2) =51a(3) =205a(4) =843a(5) =3493a(6) =14451a(7) =59485a(8) =243483a(9) =991573a(10) =4021251a(11) =16253965a(12) =65530923a(13) =263685253a(14) =1059458451a(15) =4252051645a(16) =17050991163a(17) =68332580533a(18) =273716694051

External references