Number of (n+1)X7 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.
A185494
Number of (n+1)X7 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.
Terms
- a(0) =1332a(1) =114724a(2) =5442964a(3) =294899588a(4) =15557758676a(5) =835833221744
External references
- oeis: A185494