Half the number of (n+1)X7 0..2 arrays with no 2X2 subblock having sum 4.
A183789
Half the number of (n+1)X7 0..2 arrays with no 2X2 subblock having sum 4.
Terms
- a(0) =503676a(1) =253372446a(2) =124516635830
External references
- oeis: A183789
A183789
Half the number of (n+1)X7 0..2 arrays with no 2X2 subblock having sum 4.