Number of (n+1)X3 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order.
A210261
Number of (n+1)X3 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order.
Terms
- a(0) =29a(1) =1039a(2) =25901a(3) =592969a(4) =13233079a(5) =292930403a(6) =6467110597a(7) =142651105201
External references
- oeis: A210261