Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 25.
A156483
Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 25.
Terms
- a(0) =1a(1) =4a(2) =4a(3) =58a(4) =112a(5) =5024a(6) =18704a(7) =5884232a(8) =62428100a(9) =91955846752
External references
- oeis: A156483