A180866 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 10 | | 4 |
| | | | | | | | | 31 | | 35 | | 9 |
| | | | | | | | 68 | | 102 | | 74 | | 16 |
| | | | | | | 125 | | 214 | | 211 | | 127 | | 25 |
| | | | | | 206 | | 380 | | 436 | | 358 | | 194 | | 36 |
| | | | | 315 | | 609 | | 765 | | 734 | | 543 | | 275 | | 49 |
| | | | 456 | | 910 | | 1214 | | 1280 | | 1108 | | 766 | | 370 | | 64 |
| | | 633 | | 1292 | | 1799 | | 2021 | | 1925 | | 1558 | | 1027 | | 479 | | 81 |
| | 850 | | 1764 | | 2536 | | 2982 | | 3030 | | 2700 | | 2084 | | 1326 |
|
A180866 as a square array
1 | 10 | 31 | 68 | 125 | 206 | 315 | 456 | 633 | 850
| 4 | 35 | 102 | 214 | 380 | 609 | 910 | 1292 | 1764
| 9 | 74 | 211 | 436 | 765 | 1214 | 1799 | 2536
| 16 | 127 | 358 | 734 | 1280 | 2021 | 2982
| 25 | 194 | 543 | 1108 | 1925 | 3030
| 36 | 275 | 766 | 1558 | 2700
| 49 | 370 | 1027 | 2084
| 64 | 479 | 1326
| 81
|
A180866 as an upper right triangle
1 | 10 | 31 | 68 | 125 | 206 | 315 | 456 | 633 | 850
| | 4 | 35 | 102 | 214 | 380 | 609 | 910 | 1292 | 1764
| | | 9 | 74 | 211 | 436 | 765 | 1214 | 1799 | 2536
| | | | 16 | 127 | 358 | 734 | 1280 | 2021 | 2982
| | | | | 25 | 194 | 543 | 1108 | 1925 | 3030
| | | | | | 36 | 275 | 766 | 1558 | 2700
| | | | | | | 49 | 370 | 1027 | 2084
| | | | | | | | 64 | 479 | 1326
| | | | | | | | | 81
| | | | | | | | |
|
|