Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..3 introduced in row major order.
A205164
Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..3 introduced in row major order.
Terms
- a(0) =159a(1) =8479a(2) =474853a(3) =26702419a(4) =1502057181a(5) =84495589507
External references
- oeis: A205164