Number of nX5 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.
A303407
Number of nX5 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) =3a(1) =27a(2) =100a(3) =547a(4) =4013a(5) =21361a(6) =115770a(7) =803911a(8) =4667376a(9) =27684643a(10) =182192785a(11) =1120872960a(12) =6916763577a(13) =44766799474a(14) =282088259954
External references
- oeis: A303407