Number of (n+1)X(4+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.
A263378
Number of (n+1)X(4+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) =31a(1) =6731a(2) =2332320a(3) =787486033a(4) =271477636708
External references
- oeis: A263378