Number of 14 X 14 arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to n.
A156417
Number of 14 X 14 arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to n.
Terms
- a(0) =1a(1) =0a(2) =116760a(3) =0a(4) =222925920a(5) =0a(6) =10399874310a(7) =0a(8) =142353126510a(9) =0a(11) =0a(13) =0a(15) =0
External references
- oeis: A156417