Number of n X n 0..5 matrices with row and column i=1..n having sum <= i*5.
A213959
Number of n X n 0..5 matrices with row and column i=1..n having sum <= i*5.
Terms
- a(0) =6a(1) =546a(2) =909900a(3) =26346319032
External references
- oeis: A213959
A213959
Number of n X n 0..5 matrices with row and column i=1..n having sum <= i*5.