Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

A299310

Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =2a(1) =13a(2) =29a(3) =112a(4) =504a(5) =2528a(6) =11252a(7) =50720a(8) =241309a(9) =1120649a(10) =5164117a(11) =24001749a(12) =111611790a(13) =517587900a(14) =2401369229a(15) =11150079663a(16) =51754367711a(17) =240183038282

External references