1/4 the number of nX8 0..3 arrays with no element equal both to the element above and to the element to its left.
A185566
1/4 the number of nX8 0..3 arrays with no element equal both to the element above and to the element to its left.
Terms
- a(0) =16384a(1) =683437500
External references
- oeis: A185566