Number of (n+1)X6 0..3 arrays with every 2X2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..3 introduced in row major order.
A206380
Number of (n+1)X6 0..3 arrays with every 2X2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..3 introduced in row major order.
Terms
- a(0) =44585a(1) =10690969a(2) =2808967145a(3) =748963157161
External references
- oeis: A206380