Number of nX3 0..1 arrays with every element equal to 0, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

A298439

Number of nX3 0..1 arrays with every element equal to 0, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =1a(2) =11a(3) =2a(4) =27a(5) =36a(6) =86a(7) =162a(8) =368a(9) =727a(10) =1536a(11) =3227a(12) =6657a(13) =14037a(14) =29089a(15) =61102a(16) =127035a(17) =266162a(18) =554714a(19) =1160052a(20) =2421034a(21) =5058677a(22) =10563272a(23) =22064711a(24) =46083287a(25) =96250175a(26) =201033571a(27) =419875536a(28) =876978777a(29) =1831656308

External references