A187883 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 2 | | 1 |
| | | | | | | | | | 4 | | 3 | | 1 |
| | | | | | | | | 6 | | 5 | | 3 | | 1 |
| | | | | | | | 9 | | 8 | | 6 | | 3 | | 1 |
| | | | | | | 12 | | 11 | | 9 | | 6 | | 3 | | 1 |
| | | | | | 16 | | 15 | | 13 | | 10 | | 6 | | 3 | | 1 |
| | | | | 20 | | 19 | | 17 | | 14 | | 10 | | 6 | | 3 | | 1 |
| | | | 25 | | 24 | | 22 | | 19 | | 15 | | 10 | | 6 | | 3 | | 1 |
| | | 30 | | 29 | | 27 | | 24 | | 20 | | 15 | | 10 | | 6 | | 3 | | 1 |
| | 36 | | 35 | | 33 | | 30 | | 26 | | 21 | | 15 | | 10 | | 6 | | 3 | | 1 |
|
A187883 as a square array
| 1 | 2 | 4 | 6 | 9 | 12 | 16 | 20 | 25 | 30 | 36
| | 1 | 3 | 5 | 8 | 11 | 15 | 19 | 24 | 29 | 35
| | 1 | 3 | 6 | 9 | 13 | 17 | 22 | 27 | 33
| | 1 | 3 | 6 | 10 | 14 | 19 | 24 | 30
| | 1 | 3 | 6 | 10 | 15 | 20 | 26
| | 1 | 3 | 6 | 10 | 15 | 21
| | 1 | 3 | 6 | 10 | 15
| | 1 | 3 | 6 | 10
| | 1 | 3 | 6
| | 1 | 3
| | 1
|
A187883 as an upper right triangle
| 1 | 2 | 4 | 6 | 9 | 12 | 16 | 20 | 25 | 30 | 36
| | 1 | 3 | 5 | 8 | 11 | 15 | 19 | 24 | 29 | 35
| | | 1 | 3 | 6 | 9 | 13 | 17 | 22 | 27 | 33
| | | | 1 | 3 | 6 | 10 | 14 | 19 | 24 | 30
| | | | | 1 | 3 | 6 | 10 | 15 | 20 | 26
| | | | | | 1 | 3 | 6 | 10 | 15 | 21
| | | | | | | 1 | 3 | 6 | 10 | 15
| | | | | | | | 1 | 3 | 6 | 10
| | | | | | | | | 1 | 3 | 6
| | | | | | | | | | 1 | 3
| | | | | | | | | | | 1
|
|
