Number of (n+1)X9 binary arrays with every 2X2 subblock nonsingular.
A183687
Number of (n+1)X9 binary arrays with every 2X2 subblock nonsingular.
Terms
- a(0) =768a(1) =8912a(2) =91136a(3) =986128a(4) =10382976a(5) =110871040a(6) =1174759296a(7) =12503757968a(8) =132720731392
External references
- oeis: A183687