Number of nX3 arrays containing 3 copies of 0..n-1 with row sums equal, column sums equal and full-length antidiagonal sums equal to the short dimension sums.
A265115
Number of nX3 arrays containing 3 copies of 0..n-1 with row sums equal, column sums equal and full-length antidiagonal sums equal to the short dimension sums.
Terms
- a(0) =1a(1) =0a(2) =8a(3) =0a(4) =16a(5) =0a(6) =168a(7) =0a(8) =1048a(9) =0a(10) =14814a(11) =0a(12) =300322a(13) =0
External references
- oeis: A265115