Number of nX3 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.

A207414

Number of nX3 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.

Terms

    a(0) =6a(1) =36a(2) =92a(3) =241a(4) =720a(5) =1889a(6) =4719a(7) =12102a(8) =30414a(9) =74588a(10) =182737a(11) =445468a(12) =1075185a(13) =2583413a(14) =6187826a(15) =14753420a(16) =35052328a(17) =83069841a(18) =196345572a(19) =462972905a(20) =1089545883a(21) =2559508250a(22) =6002666694a(23) =14057272936a(24) =32876868289a(25) =76799290072

External references