Number of (n+1)X6 0..3 arrays with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order.
A210058
Number of (n+1)X6 0..3 arrays with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order.
Terms
- a(0) =15435a(1) =1800963a(2) =216648913a(3) =26586250017
External references
- oeis: A210058