Number of nX4 binary arrays with each element equal to either the sum mod 2 of its horizontal and vertical neighbors or the sum mod 2 of its diagonal and antidiagonal neighbors.
A183512
Number of nX4 binary arrays with each element equal to either the sum mod 2 of its horizontal and vertical neighbors or the sum mod 2 of its diagonal and antidiagonal neighbors.
Terms
- a(0) =4a(1) =24a(2) =138a(3) =736a(4) =3504a(5) =18288a(6) =94376a(7) =490864a(8) =2559872a(9) =13257792a(10) =68885664a(11) =357944960a(12) =1859678592a(13) =9662769152a(14) =50202415232a(15) =260834073856
External references
- oeis: A183512