Number of nX4 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors.
A183469
Number of nX4 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors.
Terms
- a(0) =4a(1) =28a(2) =111a(3) =550a(4) =2769a(5) =13338a(6) =66012a(7) =326010a(8) =1605094a(9) =7924940a(10) =39109123a(11) =192971113a(12) =952409721a(13) =4700295351a(14) =23196736485a(15) =114482463703a(16) =564998794109
External references
- oeis: A183469