Half the number of (n+1)X9 binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks.
A184466
Half the number of (n+1)X9 binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks.
Terms
- a(0) =16809a(1) =5002165a(2) =2002023718a(3) =873679701315
External references
- oeis: A184466