Number of nX6 0..1 arrays with every element equal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300463
Number of nX6 0..1 arrays with every element equal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =19a(2) =68a(3) =540a(4) =7456a(5) =78195a(6) =935121a(7) =10913850a(8) =127028268a(9) =1493618674a(10) =17461316528a(11) =204700167234
External references
- oeis: A300463