Number of (n+1)X4 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.
A210304
Number of (n+1)X4 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) =414a(1) =27957a(2) =1575467a(3) =85724987a(4) =4628067519a(5) =249417760123
External references
- oeis: A210304