Number of (n+1)X3 0..3 arrays containing all values 0..3 with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order.
A210303
Number of (n+1)X3 0..3 arrays containing all values 0..3 with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order.
Terms
- a(0) =29a(1) =1091a(2) =27957a(3) =655743a(4) =14976529a(5) =339125187a(6) =7657326365a(7) =172736626311
External references
- oeis: A210303