A011847 formatted as a triangular array:
| | | | | | | | | | | 1 | | | | | | | | | | | |
| | | | | | | | | | 1 | | 1 | | | | | | | | | | |
| | | | | | | | | 1 | | 1 | | 1 | | | | | | | | | |
| | | | | | | | 1 | | 2 | | 2 | | 1 | | | | | | | | |
| | | | | | | 1 | | 2 | | 3 | | 2 | | 1 | | | | | | | |
| | | | | | 1 | | 3 | | 5 | | 5 | | 3 | | 1 | | | | | | |
| | | | | 1 | | 3 | | 7 | | 8 | | 7 | | 3 | | 1 | | | | | |
| | | | 1 | | 4 | | 9 | | 14 | | 14 | | 9 | | 4 | | 1 | | | | |
| | | 1 | | 4 | | 12 | | 21 | | 25 | | 21 | | 12 | | 4 | | 1 | | | |
| | 1 | | 5 | | 15 | | 30 | | 42 | | 42 | | 30 | | 15 | | 5 | | 1 | | |
| 1 | | 5 | | 18 | | 41 | | 66 | | 77 | | 66 | | 41 | | 18 | | 5 | | 1 | |
| 1 | | 6 | | 22 | | 55 | | 99 | | 132 | | 132 | | 99 | | 55 | | 22 | | 6 | | 1 |
A011847 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | |
| 1 | 2 | 3 | 5 | 7 | 9 | 12 | 15 | 18 | 22 | | |
| 1 | 2 | 5 | 8 | 14 | 21 | 30 | 41 | 55 | | | |
| 1 | 3 | 7 | 14 | 25 | 42 | 66 | 99 | | | | |
| 1 | 3 | 9 | 21 | 42 | 77 | 132 | | | | | |
| 1 | 4 | 12 | 30 | 66 | 132 | | | | | | |
| 1 | 4 | 15 | 41 | 99 | | | | | | | |
| 1 | 5 | 18 | 55 | | | | | | | | |
| 1 | 5 | 22 | | | | | | | | | |
| 1 | 6 | | | | | | | | | | |
| 1 | | | | | | | | | | | |
A011847 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 |
| | 1 | 2 | 3 | 5 | 7 | 9 | 12 | 15 | 18 | 22 |
| | | 1 | 2 | 5 | 8 | 14 | 21 | 30 | 41 | 55 |
| | | | 1 | 3 | 7 | 14 | 25 | 42 | 66 | 99 |
| | | | | 1 | 3 | 9 | 21 | 42 | 77 | 132 |
| | | | | | 1 | 4 | 12 | 30 | 66 | 132 |
| | | | | | | 1 | 4 | 15 | 41 | 99 |
| | | | | | | | 1 | 5 | 18 | 55 |
| | | | | | | | | 1 | 5 | 22 |
| | | | | | | | | | 1 | 6 |
| | | | | | | | | | | 1 |
|
