Number of n X n nonnegative integer matrices with row and column i=1..n having sum <= i*4.
A214008
Number of n X n nonnegative integer matrices with row and column i=1..n having sum <= i*4.
Terms
- a(0) =5a(1) =375a(2) =564041a(3) =17609835599
External references
- oeis: A214008