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 or one plus the sum of the elements diagonally to its northwest, modulo 4.
A240268
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 or one plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =24a(1) =157a(2) =919a(3) =8265a(4) =49921a(5) =382690a(6) =3076452a(7) =19781372a(8) =154994425a(9) =1144262410a(10) =7794166168a(11) =60672207307a(12) =432430357219
External references
- oeis: A240268