Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it, modulo 4.
A239815
Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it, modulo 4.
Terms
- a(0) =24a(1) =729a(2) =18728a(3) =510748a(4) =13597573a(5) =366379173a(6) =9807771898a(7) =263419973152
External references
- oeis: A239815