A051666 as a triangular array
| | | | | | | | | | | 0 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 4 | | 2 | | 4 |
| | | | | | | | | 9 | | 6 | | 6 | | 9 |
| | | | | | | | 16 | | 15 | | 12 | | 15 | | 16 |
| | | | | | | 25 | | 31 | | 27 | | 27 | | 31 | | 25 |
| | | | | | 36 | | 56 | | 58 | | 54 | | 58 | | 56 | | 36 |
| | | | | 49 | | 92 | | 114 | | 112 | | 112 | | 114 | | 92 | | 49 |
| | | | 64 | | 141 | | 206 | | 226 | | 224 | | 226 | | 206 | | 141 | | 64 |
| | | 81 | | 205 | | 347 | | 432 | | 450 | | 450 | | 432 | | 347 | | 205 | | 81 |
| | 100 | | 286 | | 552 | | 779 | | 882 | | 900 | | 882 | | 779 |
|
A051666 as a square array
0 | 1 | 4 | 9 | 16 | 25 | 36 | 49 | 64 | 81 | 100
| 1 | 2 | 6 | 15 | 31 | 56 | 92 | 141 | 205 | 286
| 4 | 6 | 12 | 27 | 58 | 114 | 206 | 347 | 552
| 9 | 15 | 27 | 54 | 112 | 226 | 432 | 779
| 16 | 31 | 58 | 112 | 224 | 450 | 882
| 25 | 56 | 114 | 226 | 450 | 900
| 36 | 92 | 206 | 432 | 882
| 49 | 141 | 347 | 779
| 64 | 205
| 81
|
A051666 as an upper right triangle
0 | 1 | 4 | 9 | 16 | 25 | 36 | 49 | 64 | 81 | 100
| | 1 | 2 | 6 | 15 | 31 | 56 | 92 | 141 | 205 | 286
| | | 4 | 6 | 12 | 27 | 58 | 114 | 206 | 347 | 552
| | | | 9 | 15 | 27 | 54 | 112 | 226 | 432 | 779
| | | | | 16 | 31 | 58 | 112 | 224 | 450 | 882
| | | | | | 25 | 56 | 114 | 226 | 450 | 900
| | | | | | | 36 | 92 | 206 | 432 | 882
| | | | | | | | 49 | 141 | 347 | 779
| | | | | | | | | 64 | 205
| | | | | | | | | | 81
| | | | | | | | | |
|
|