Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 25.
A156482
Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 25.
Terms
- a(0) =1a(1) =4a(2) =16a(3) =142a(4) =2832a(5) =250472a(6) =46559350a(7) =70028916760
External references
- oeis: A156482