Number of 6Xn 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.
A301827
Number of 6Xn 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =89a(2) =32a(3) =457a(4) =4785a(5) =31061a(6) =333335a(7) =2626219a(8) =23877827a(9) =205351902a(10) =1801313687a(11) =15687547616a(12) =136936362641
External references
- oeis: A301827