Number of n X n 0..7 arrays with row sums 7 and column sums 7.

A172919

Number of n X n 0..7 arrays with row sums 7 and column sums 7.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =666a(4) =381424a(5) =976395820

External references