Number of (n+1)X7 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others.
A183851
Number of (n+1)X7 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others.
Terms
- a(0) =9650a(1) =136894a(2) =1846987a(3) =31362526a(4) =515409762a(5) =9808052813a(6) =181527680767
External references
- oeis: A183851