Number of n X n 0..6 matrices with row and column i=1..n having sum <= i*6.
A213960
Number of n X n 0..6 matrices with row and column i=1..n having sum <= i*6.
Terms
- a(0) =7a(1) =980a(2) =3323712a(3) =256652587891
External references
- oeis: A213960
A213960
Number of n X n 0..6 matrices with row and column i=1..n having sum <= i*6.