Number of 6Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
A301955
Number of 6Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =89a(2) =1411a(3) =56710a(4) =1608681a(5) =58609226a(6) =1969215107a(7) =67333850084
External references
- oeis: A301955