Number of (n+1)X7 0..3 arrays with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order.
A210402
Number of (n+1)X7 0..3 arrays with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order.
Terms
- a(0) =458859a(1) =339846892a(2) =249456180709
External references
- oeis: A210402