Number of nX3 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

A298384

Number of nX3 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =18a(2) =56a(3) =223a(4) =849a(5) =3387a(6) =13075a(7) =51006a(8) =199243a(9) =777845a(10) =3035261a(11) =11848853a(12) =46252538a(13) =180542983a(14) =704739373a(15) =2750937235a(16) =10738195965a(17) =41916200522a(18) =163618636603a(19) =638680511133

External references