Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

A316549

Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =35a(2) =36a(3) =89a(4) =251a(5) =621a(6) =1568a(7) =4269a(8) =11869a(9) =33451a(10) =95326a(11) =275884a(12) =805348a(13) =2361771a(14) =6947706a(15) =20509420a(16) =60679269a(17) =179783638a(18) =533183713a(19) =1582517591a(20) =4699488351a(21) =13961016049a(22) =41486062390a(23) =123302420572a(24) =366520847057

External references