Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

A299361

Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =13a(2) =23a(3) =125a(4) =420a(5) =1943a(6) =9012a(7) =42321a(8) =205597a(9) =995518a(10) =4853006a(11) =23686103a(12) =115662456a(13) =565154846a(14) =2761642814a(15) =13496474311a(16) =65961394749a(17) =322378456355

External references