Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303252
Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =537a(2) =4556a(3) =78679a(4) =1218385a(5) =19457754a(6) =306224454a(7) =4895684572a(8) =77683246701
External references
- oeis: A303252