Number of nX3 0..1 arrays with every element equal to 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

A298254

Number of nX3 0..1 arrays with every element equal to 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =3a(2) =1a(3) =4a(4) =3a(5) =7a(6) =14a(7) =35a(8) =89a(9) =242a(10) =643a(11) =1713a(12) =4584a(13) =12341a(14) =33393a(15) =90828a(16) =247775a(17) =677335a(18) =1853786a(19) =5076655a(20) =13907485a(21) =38106762a(22) =104424087a(23) =286173877a(24) =784293860a(25) =2149515757a(26) =5891305033a(27) =16146865524a(28) =44255648343a(29) =121297428367

External references