Number of nX3 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

A298050

Number of nX3 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =7a(2) =15a(3) =19a(4) =23a(5) =34a(6) =63a(7) =96a(8) =147a(9) =233a(10) =368a(11) =588a(12) =933a(13) =1500a(14) =2404a(15) =3842a(16) =6157a(17) =9887a(18) =15907a(19) =25577a(20) =41128a(21) =66175a(22) =106524a(23) =171543a(24) =276293a(25) =445096a(26) =717116a(27) =1155533a(28) =1862256a(29) =3001558

External references