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

A298765

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

Terms

    a(0) =1a(1) =18a(2) =57a(3) =222a(4) =808a(5) =3124a(6) =11807a(7) =44846a(8) =170350a(9) =647730a(10) =2461372a(11) =9354803a(12) =35554194a(13) =135132441a(14) =513598421a(15) =1952048536a(16) =7419209212a(17) =28198435083a(18) =107174707010a(19) =407342469367

External references