Half the number of (n+1)X5 0..2 arrays with no 2X2 subblock having sum 4.
A183787
Half the number of (n+1)X5 0..2 arrays with no 2X2 subblock having sum 4.
Terms
- a(0) =10428a(1) =948164a(2) =84888699a(3) =7635071835a(4) =685721542209
External references
- oeis: A183787