Number of n X n 0..2 arrays with row sums 7 and column sums 7.
A172628
Number of n X n 0..2 arrays with row sums 7 and column sums 7.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =24a(4) =111920a(5) =2030271480
External references
- oeis: A172628
A172628
Number of n X n 0..2 arrays with row sums 7 and column sums 7.