Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

A299748

Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =4a(1) =26a(2) =95a(3) =375a(4) =1524a(5) =6170a(6) =24838a(7) =100272a(8) =405068a(9) =1635673a(10) =6604612a(11) =26671526a(12) =107707761a(13) =434951162a(14) =1756450581a(15) =7093044669a(16) =28643701145a(17) =115671273734a(18) =467113069416

External references