|
Search: id:A156506
|
|
|
| A156506 |
|
Number of nXn arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 41. |
|
+0
1
|
|
| 2, 4, 108, 194, 11736, 89724, 68108540, 1149707144, 4558233650072
(list; graph; listen)
|
|
|
|
|
Search completed in 0.002 seconds
|
