Number of 6Xn 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303413
Number of 6Xn 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =162a(2) =2327a(3) =3256a(4) =21361a(5) =236326a(6) =1716995a(7) =8688851a(8) =56229035a(9) =428784791a(10) =3021617644a(11) =19058753004a(12) =128800589241a(13) =899664264951
External references
- oeis: A303413