Number of (n+2)X7 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.
A204053
Number of (n+2)X7 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.
Terms
- a(0) =4823759a(1) =45689226a(2) =315429190a(3) =2336174650a(4) =18962117027a(5) =135508809479
External references
- oeis: A204053