Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
A317560
Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =32a(2) =228a(3) =1619a(4) =11510a(5) =81814a(6) =581541a(7) =4133710a(8) =29383111a(9) =208860377a(10) =1484616765a(11) =10552920182a(12) =75012037028a(13) =533198924617
External references
- oeis: A317560