Number of (n+1)X(7+1) 0..4 arrays with each row and column divisible by 9, read as a base-5 number with top and left being the most significant digits.
A263381
Number of (n+1)X(7+1) 0..4 arrays with each row and column divisible by 9, read as a base-5 number with top and left being the most significant digits.
Terms
- a(0) =748a(1) =18221996a(2) =790807552035
External references
- oeis: A263381