Number of (n+1)X7 0..2 arrays with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order.
A209895
Number of (n+1)X7 0..2 arrays with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order.
Terms
- a(0) =18464a(1) =1293568a(2) =97195728a(3) =7597233712a(4) =602072007808
External references
- oeis: A209895