Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A316618

Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =49a(2) =58a(3) =139a(4) =468a(5) =1916a(6) =5428a(7) =18126a(8) =66146a(9) =225773a(10) =773853a(11) =2706946a(12) =9402629a(13) =32599950a(14) =113554758a(15) =395078982a(16) =1373973365a(17) =4781242179a(18) =16639543145a(19) =57896830766a(20) =201477439715a(21) =701147733762

External references