A131115 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 7 | | 1 |
| | | | | | | | | | 7 | | 14 | | 1 |
| | | | | | | | | 7 | | 21 | | 21 | | 1 |
| | | | | | | | 7 | | 28 | | 42 | | 28 | | 1 |
| | | | | | | 7 | | 35 | | 70 | | 70 | | 35 | | 1 |
| | | | | | 7 | | 42 | | 105 | | 140 | | 105 | | 42 | | 1 |
| | | | | 7 | | 49 | | 147 | | 245 | | 245 | | 147 | | 49 | | 1 |
| | | | 7 | | 56 | | 196 | | 392 | | 490 | | 392 | | 196 | | 56 | | 1 |
| | | 7 | | 63 | | 252 | | 588 | | 882 | | 882 | | 588 | | 252 | | 63 | | 1 |
| | 7 | | 70 | | 315 | | 840 | | 1470 | | 1764 | | 1470 | | 840 | | 315 | | 70 | | 1 |
|
A131115 as a square array
| 1 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7
| | 1 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | 70
| | 1 | 21 | 42 | 70 | 105 | 147 | 196 | 252 | 315
| | 1 | 28 | 70 | 140 | 245 | 392 | 588 | 840
| | 1 | 35 | 105 | 245 | 490 | 882 | 1470
| | 1 | 42 | 147 | 392 | 882 | 1764
| | 1 | 49 | 196 | 588 | 1470
| | 1 | 56 | 252 | 840
| | 1 | 63 | 315
| | 1 | 70
| | 1
|
A131115 as an upper right triangle
| 1 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7
| | 1 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | 70
| | | 1 | 21 | 42 | 70 | 105 | 147 | 196 | 252 | 315
| | | | 1 | 28 | 70 | 140 | 245 | 392 | 588 | 840
| | | | | 1 | 35 | 105 | 245 | 490 | 882 | 1470
| | | | | | 1 | 42 | 147 | 392 | 882 | 1764
| | | | | | | 1 | 49 | 196 | 588 | 1470
| | | | | | | | 1 | 56 | 252 | 840
| | | | | | | | | 1 | 63 | 315
| | | | | | | | | | 1 | 70
| | | | | | | | | | | 1
|
|
