Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303180
Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =32a(1) =169a(2) =382a(3) =2569a(4) =24751a(5) =218980a(6) =1803435a(7) =15559135a(8) =133939941a(9) =1144618674a(10) =9823326608a(11) =84244031485a(12) =722134766489
External references
- oeis: A303180