Number of nX7 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it, modulo 4.
A239648
Number of nX7 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it, modulo 4.
Terms
- a(0) =128a(1) =38888a(2) =13703468a(3) =4304123072
External references
- oeis: A239648