Number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock having one, three or four distinct values, and new values 0..3 introduced in row major order.
A210127
Number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock having one, three or four distinct values, and new values 0..3 introduced in row major order.
Terms
- a(0) =8a(1) =81a(2) =897a(3) =10019a(4) =111993a(5) =1251951a(6) =13995437a(7) =156453699a(8) =1748981553a(9) =19551704471a(10) =218566712277
External references
- oeis: A210127