A157522 as a triangular array
| | | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | | | 1 | | 2 | | 2 | | 1 |
| | | | | | | | | | | 1 | | 3 | | 1 | | 3 | | 1 |
| | | | | | | | | | 1 | | 3 | | 2 | | 2 | | 3 | | 1 |
| | | | | | | | | 1 | | 3 | | 3 | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | 1 | | 3 | | 4 | | 2 | | 2 | | 4 | | 3 | | 1 |
| | | | | | | 1 | | 3 | | 5 | | 3 | | 1 | | 3 | | 5 | | 3 | | 1 |
| | | | | | 1 | | 3 | | 5 | | 4 | | 2 | | 2 | | 4 | | 5 | | 3 | | 1 |
| | | | | 1 | | 3 | | 5 | | 5 | | 3 | | 1 | | 3 | | 5 | | 5 | | 3 | | 1 |
| | | | 1 | | 3 | | 5 | | 6 | | 4 | | 2 | | 2 | | 4 | | 6 | | 5 | | 3 | | 1 |
| | | 1 | | 3 | | 5 | | 7 | | 5 | | 3 | | 1 | | 3 | | 5 | | 7 | | 5 | | 3 | | 1 |
| | 1 | | 3 | | 5 | | 7 | | 6 | | 4 | | 2 | | 2 | | 4 | | 6 | | 7 | | 5 | | 3 | | 1 |
|
A157522 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | 1 | 2 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 5
| | 1 | 3 | 2 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 7
| | 1 | 3 | 3 | 2 | 1 | 2 | 3 | 4 | 5 | 6
| | 1 | 3 | 4 | 3 | 2 | 1 | 2 | 3 | 4
| | 1 | 3 | 5 | 4 | 3 | 2 | 1 | 2
| | 1 | 3 | 5 | 5 | 4 | 3 | 2
| | 1 | 3 | 5 | 6 | 5 | 4
| | 1 | 3 | 5 | 7 | 6
| | 1 | 3 | 5 | 7
| | 1 | 3 | 5
| | 1 | 3
| | 1
|
A157522 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | | 1 | 2 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 5
| | | | 1 | 3 | 2 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 7
| | | | | 1 | 3 | 3 | 2 | 1 | 2 | 3 | 4 | 5 | 6
| | | | | | 1 | 3 | 4 | 3 | 2 | 1 | 2 | 3 | 4
| | | | | | | 1 | 3 | 5 | 4 | 3 | 2 | 1 | 2
| | | | | | | | 1 | 3 | 5 | 5 | 4 | 3 | 2
| | | | | | | | | 1 | 3 | 5 | 6 | 5 | 4
| | | | | | | | | | 1 | 3 | 5 | 7 | 6
| | | | | | | | | | | 1 | 3 | 5 | 7
| | | | | | | | | | | | 1 | 3 | 5
| | | | | | | | | | | | | 1 | 3
| | | | | | | | | | | | | | 1
|
|
