A051668 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 4 | | 4 |
| | | | | | | | | | 9 | | 8 | | 9 |
| | | | | | | | | 16 | | 17 | | 17 | | 16 |
| | | | | | | | 25 | | 33 | | 34 | | 33 | | 25 |
| | | | | | | 36 | | 58 | | 67 | | 67 | | 58 | | 36 |
| | | | | | 49 | | 94 | | 125 | | 134 | | 125 | | 94 | | 49 |
| | | | | 64 | | 143 | | 219 | | 259 | | 259 | | 219 | | 143 | | 64 |
| | | | 81 | | 207 | | 362 | | 478 | | 518 | | 478 | | 362 | | 207 | | 81 |
| | | 100 | | 288 | | 569 | | 840 | | 996 | | 996 | | 840 | | 569 | | 288 | | 100 |
| | 121 | | 388 | | 857 | | 1409 |
|
A051668 as a square array
1 | 4 | 9 | 16 | 25 | 36 | 49 | 64 | 81 | 100 | 121
| 4 | 8 | 17 | 33 | 58 | 94 | 143 | 207 | 288 | 388
| 9 | 17 | 34 | 67 | 125 | 219 | 362 | 569 | 857
| 16 | 33 | 67 | 134 | 259 | 478 | 840 | 1409
| 25 | 58 | 125 | 259 | 518 | 996
| 36 | 94 | 219 | 478 | 996
| 49 | 143 | 362 | 840
| 64 | 207 | 569
| 81 | 288
| 100
|
A051668 as an upper right triangle
1 | 4 | 9 | 16 | 25 | 36 | 49 | 64 | 81 | 100 | 121
| | 4 | 8 | 17 | 33 | 58 | 94 | 143 | 207 | 288 | 388
| | | 9 | 17 | 34 | 67 | 125 | 219 | 362 | 569 | 857
| | | | 16 | 33 | 67 | 134 | 259 | 478 | 840 | 1409
| | | | | 25 | 58 | 125 | 259 | 518 | 996
| | | | | | 36 | 94 | 219 | 478 | 996
| | | | | | | 49 | 143 | 362 | 840
| | | | | | | | 64 | 207 | 569
| | | | | | | | | 81 | 288
| | | | | | | | | | 100
| | | | | | | | | |
|
|