Number of (n+1)X(n+1) 0..4 arrays with each row and column divisible by 7, read as a base-5 number with top and left being the most significant digits.
A263550
Number of (n+1)X(n+1) 0..4 arrays with each row and column divisible by 7, read as a base-5 number with top and left being the most significant digits.
Terms
- a(0) =4a(1) =123a(2) =198581a(3) =7482387694
External references
- oeis: A263550