Number of (n+1)X9 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others.
A183853
Number of (n+1)X9 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others.
Terms
- a(0) =92771a(1) =2568541a(2) =65461226a(3) =2373353909a(4) =84948077733
External references
- oeis: A183853