Number of (n+1)X5 0..3 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.
A204568
Number of (n+1)X5 0..3 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.
Terms
- a(0) =1682a(1) =80518a(2) =4220392a(3) =226207388a(4) =12184154082a(5) =657035534014
External references
- oeis: A204568