Number of (n+1)X6 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.
A188307
Number of (n+1)X6 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.
Terms
- a(0) =380a(1) =14832a(2) =203584a(3) =3415196a(4) =53468700a(5) =878907878a(6) =14070003616a(7) =228625683370
External references
- oeis: A188307