A331510 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | 1 | | 2 | | 0 | | 1 |
| | | | | | | | 1 | | 3 | | 1 | | 0 | | 1 |
| | | | | | | 1 | | 5 | | 4 | | 0 | | 0 | | 1 |
| | | | | | 1 | | 7 | | 12 | | 3 | | 0 | | 0 | | 1 |
| | | | | 1 | | 11 | | 36 | | 23 | | 1 | | 0 | | 0 | | 1 |
| | | | 1 | | 15 | | 124 | | 191 | | 30 | | 0 | | 0 | | 0 | | 1 |
| | | 1 | | 22 | | 412 | | 2203 | | 837 | | 23 | | 0 | | 0 | | 0 | | 1 |
| | 1 | | 30 | | 1500 | | 31313 | | 41664 | | 2688 | | 12 | | 0 | | 0 | | 0 | | 1 |
|
A331510 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22 | 30
| | 1 | 0 | 1 | 4 | 12 | 36 | 124 | 412 | 1500
| | 1 | 0 | 0 | 3 | 23 | 191 | 2203 | 31313
| | 1 | 0 | 0 | 1 | 30 | 837 | 41664
| | 1 | 0 | 0 | 0 | 23 | 2688
| | 1 | 0 | 0 | 0 | 12
| | 1 | 0 | 0 | 0
| | 1 | 0 | 0
| | 1 | 0
| | 1
|
A331510 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22 | 30
| | | 1 | 0 | 1 | 4 | 12 | 36 | 124 | 412 | 1500
| | | | 1 | 0 | 0 | 3 | 23 | 191 | 2203 | 31313
| | | | | 1 | 0 | 0 | 1 | 30 | 837 | 41664
| | | | | | 1 | 0 | 0 | 0 | 23 | 2688
| | | | | | | 1 | 0 | 0 | 0 | 12
| | | | | | | | 1 | 0 | 0 | 0
| | | | | | | | | 1 | 0 | 0
| | | | | | | | | | 1 | 0
| | | | | | | | | | | 1
|
|
