A131065 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 7 | | 1 |
| | | | | | | | | 1 | | 13 | | 13 | | 1 |
| | | | | | | | 1 | | 19 | | 31 | | 19 | | 1 |
| | | | | | | 1 | | 25 | | 55 | | 55 | | 25 | | 1 |
| | | | | | 1 | | 31 | | 85 | | 115 | | 85 | | 31 | | 1 |
| | | | | 1 | | 37 | | 121 | | 205 | | 205 | | 121 | | 37 | | 1 |
| | | | 1 | | 43 | | 163 | | 331 | | 415 | | 331 | | 163 | | 43 | | 1 |
| | | 1 | | 49 | | 211 | | 499 | | 751 | | 751 | | 499 | | 211 | | 49 | | 1 |
| | 1 | | 55 | | 265 | | 715 | | 1255 | | 1507 | | 1255 | | 715 | | 265 | | 55 | | 1 |
|
A131065 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 7 | 13 | 19 | 25 | 31 | 37 | 43 | 49 | 55
| | 1 | 13 | 31 | 55 | 85 | 121 | 163 | 211 | 265
| | 1 | 19 | 55 | 115 | 205 | 331 | 499 | 715
| | 1 | 25 | 85 | 205 | 415 | 751 | 1255
| | 1 | 31 | 121 | 331 | 751 | 1507
| | 1 | 37 | 163 | 499 | 1255
| | 1 | 43 | 211 | 715
| | 1 | 49 | 265
| | 1 | 55
| | 1
|
A131065 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 7 | 13 | 19 | 25 | 31 | 37 | 43 | 49 | 55
| | | 1 | 13 | 31 | 55 | 85 | 121 | 163 | 211 | 265
| | | | 1 | 19 | 55 | 115 | 205 | 331 | 499 | 715
| | | | | 1 | 25 | 85 | 205 | 415 | 751 | 1255
| | | | | | 1 | 31 | 121 | 331 | 751 | 1507
| | | | | | | 1 | 37 | 163 | 499 | 1255
| | | | | | | | 1 | 43 | 211 | 715
| | | | | | | | | 1 | 49 | 265
| | | | | | | | | | 1 | 55
| | | | | | | | | | | 1
|
|
