Number of n X 3 0..5 arrays with every 2 X 2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.

A209739

Number of n X 3 0..5 arrays with every 2 X 2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.

Terms

    a(0) =5a(1) =57a(2) =2025a(3) =103373a(4) =6262064a(5) =404495219a(6) =26715084257

External references