Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
A240430
Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =4a(1) =58a(2) =970a(3) =9036a(4) =150350a(5) =1404008a(6) =23414762a(7) =218412550a(8) =3639548326a(9) =33928317272a(10) =565198473852
External references
- oeis: A240430