Half the number of (n+1) X 3 binary arrays with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
A184607
Half the number of (n+1) X 3 binary arrays with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
Terms
- a(0) =28a(1) =160a(2) =918a(3) =5430a(4) =32042a(5) =188394a(6) =1107926a(7) =6519094a(8) =38356642a(9) =225665454a(10) =1327676850a(11) =7811308282a(12) =45957316482a(13) =270386512686
External references
- oeis: A184607