|
Search: id:A156512
|
|
|
| A156512 |
|
Number of nXn arrays of squares of integers, symmetric about main diagonal, with all rows summing to 50. |
|
+0 1
|
|
| 3, 22, 474, 21676, 6117690, 8086830378, 27448134968478, 351300513333271976
(list; graph; listen)
|
|
|
|
|
Search completed in 0.002 seconds
|