Number of nX3 0..1 arrays with every element equal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A299569

Number of nX3 0..1 arrays with every element equal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =7a(2) =15a(3) =25a(4) =47a(5) =113a(6) =265a(7) =621a(8) =1473a(9) =3443a(10) =8093a(11) =19107a(12) =45119a(13) =106635a(14) =251959a(15) =595465a(16) =1407719a(17) =3328477a(18) =7871557a(19) =18617533a(20) =44037365a(21) =104173407a(22) =246445341a(23) =583054499a(24) =1379487511a(25) =3263943687a(26) =7722913379a(27) =18273883713a(28) =43240415955

External references