Number of (n+1)X(n+1) 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others.
A183846
Number of (n+1)X(n+1) 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others.
Terms
- a(0) =35a(1) =429a(2) =9557a(3) =448665a(4) =40482339a(5) =9808052813
External references
- oeis: A183846