Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A299847

Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =4a(1) =26a(2) =93a(3) =357a(4) =1401a(5) =5533a(6) =21764a(7) =85620a(8) =336966a(9) =1326498a(10) =5221450a(11) =20553311a(12) =80905473a(13) =318477196a(14) =1253655191a(15) =4934896919a(16) =19425767155a(17) =76467769656a(18) =301008432722

External references