Number of 2 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

A069306

Number of 2 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Terms

    a(0) =5a(1) =12a(2) =29a(3) =70a(4) =169a(5) =408a(6) =985a(7) =2378a(8) =5741a(9) =13860a(10) =33461a(11) =80782a(12) =195025a(13) =470832a(14) =1136689a(15) =2744210a(16) =6625109a(17) =15994428a(18) =38613965a(19) =93222358a(20) =225058681a(21) =543339720a(22) =1311738121a(23) =3166815962a(24) =7645370045a(25) =18457556052a(26) =44560482149a(27) =107578520350a(28) =259717522849a(29) =627013566048

External references