Number of nX4 0..2 arrays with row sums equal and column sums unequal to adjacent columns.
A203487
Number of nX4 0..2 arrays with row sums equal and column sums unequal to adjacent columns.
Terms
- a(0) =24a(1) =556a(2) =9540a(3) =173860a(4) =3065704a(5) =56438584a(6) =1004305424a(7) =18465834580a(8) =335571341040
External references
- oeis: A203487