Number of nX4 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.
A239645
Number of nX4 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) =16a(1) =418a(2) =12246a(3) =320314a(4) =8634040a(5) =232304146a(6) =6219477628a(7) =167002115382
External references
- oeis: A239645