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

A299340

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

Terms

    a(0) =4a(1) =26a(2) =93a(3) =357a(4) =1399a(5) =5513a(6) =21642a(7) =85000a(8) =333982a(9) =1312528a(10) =5157620a(11) =20267541a(12) =79645105a(13) =312982976a(14) =1229932727a(15) =4833285319a(16) =18993441447a(17) =74638863658a(18) =293309650948

External references