A131061 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 5 | | 1 |
| | | | | | | | | 1 | | 9 | | 9 | | 1 |
| | | | | | | | 1 | | 13 | | 21 | | 13 | | 1 |
| | | | | | | 1 | | 17 | | 37 | | 37 | | 17 | | 1 |
| | | | | | 1 | | 21 | | 57 | | 77 | | 57 | | 21 | | 1 |
| | | | | 1 | | 25 | | 81 | | 137 | | 137 | | 81 | | 25 | | 1 |
| | | | 1 | | 29 | | 109 | | 221 | | 277 | | 221 | | 109 | | 29 | | 1 |
| | | 1 | | 33 | | 141 | | 333 | | 501 | | 501 | | 333 | | 141 | | 33 | | 1 |
| | 1 | | 37 | | 177 | | 477 | | 837 | | 1005 | | 837 | | 477 | | 177 | | 37 | | 1 |
|
A131061 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 9 | 13 | 17 | 21 | 25 | 29 | 33 | 37
| | 1 | 9 | 21 | 37 | 57 | 81 | 109 | 141 | 177
| | 1 | 13 | 37 | 77 | 137 | 221 | 333 | 477
| | 1 | 17 | 57 | 137 | 277 | 501 | 837
| | 1 | 21 | 81 | 221 | 501 | 1005
| | 1 | 25 | 109 | 333 | 837
| | 1 | 29 | 141 | 477
| | 1 | 33 | 177
| | 1 | 37
| | 1
|
A131061 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 9 | 13 | 17 | 21 | 25 | 29 | 33 | 37
| | | 1 | 9 | 21 | 37 | 57 | 81 | 109 | 141 | 177
| | | | 1 | 13 | 37 | 77 | 137 | 221 | 333 | 477
| | | | | 1 | 17 | 57 | 137 | 277 | 501 | 837
| | | | | | 1 | 21 | 81 | 221 | 501 | 1005
| | | | | | | 1 | 25 | 109 | 333 | 837
| | | | | | | | 1 | 29 | 141 | 477
| | | | | | | | | 1 | 33 | 177
| | | | | | | | | | 1 | 37
| | | | | | | | | | | 1
|
|
