Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302384
Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =111a(2) =2771a(3) =48980a(4) =1089035a(5) =24209608a(6) =535192095a(7) =11837195381a(8) =261930946428
External references
- oeis: A302384