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 or zero plus the sum of the elements diagonally to its northwest, modulo 4.
A240379
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 or zero plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =4a(1) =90a(2) =1494a(3) =17550a(4) =281186a(5) =3502886a(6) =52375114a(7) =672652728a(8) =9771038498a(9) =127878632630
External references
- oeis: A240379