Number of (n+1)X(3+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.
A263553
Number of (n+1)X(3+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) =40a(1) =2210a(2) =198581a(3) =17320937a(4) =1552603242a(5) =139465708673
External references
- oeis: A263553