Number of nX7 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302459
Number of nX7 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =123a(2) =140a(3) =1518a(4) =8869a(5) =61254a(6) =404761a(7) =2822737a(8) =19107381a(9) =133223036a(10) =940543590a(11) =6607193483a(12) =46568712258a(13) =329320886502
External references
- oeis: A302459