A209571 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | | | 1 | | 4 | | 9 | | 1 |
| | | | | | | | | 1 | | 4 | | 15 | | 16 | | 1 |
| | | | | | | | 1 | | 4 | | 15 | | 44 | | 25 | | 1 |
| | | | | | | 1 | | 4 | | 15 | | 56 | | 105 | | 36 | | 1 |
| | | | | | 1 | | 4 | | 15 | | 56 | | 185 | | 216 | | 49 | | 1 |
| | | | | 1 | | 4 | | 15 | | 56 | | 209 | | 524 | | 399 | | 64 | | 1 |
| | | | 1 | | 4 | | 15 | | 56 | | 209 | | 732 | | 1295 | | 680 | | 81 | | 1 |
| | | 1 | | 4 | | 15 | | 56 | | 209 | | 780 | | 2303 | | 2864 | | 1089 | | 100 | | 1 |
| | 1 | | 4 | | 15 | | 56 |
|
A209571 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4
| | 1 | 9 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15
| | 1 | 16 | 44 | 56 | 56 | 56 | 56 | 56 | 56
| | 1 | 25 | 105 | 185 | 209 | 209 | 209
| | 1 | 36 | 216 | 524 | 732 | 780
| | 1 | 49 | 399 | 1295 | 2303
| | 1 | 64 | 680 | 2864
| | 1 | 81 | 1089
| | 1 | 100
| | 1
|
A209571 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4
| | | 1 | 9 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15
| | | | 1 | 16 | 44 | 56 | 56 | 56 | 56 | 56 | 56
| | | | | 1 | 25 | 105 | 185 | 209 | 209 | 209
| | | | | | 1 | 36 | 216 | 524 | 732 | 780
| | | | | | | 1 | 49 | 399 | 1295 | 2303
| | | | | | | | 1 | 64 | 680 | 2864
| | | | | | | | | 1 | 81 | 1089
| | | | | | | | | | 1 | 100
| | | | | | | | | | | 1
| | | | | | | | | | |
|
|
