Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 16.
A156463
Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 16.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =11a(4) =347a(5) =38042a(6) =12496449a(7) =9230231522
External references
- oeis: A156463