A047080 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 2 | | 1 |
| | | | | | | | | 1 | | 3 | | 3 | | 3 | | 1 |
| | | | | | | | 1 | | 4 | | 5 | | 5 | | 4 | | 1 |
| | | | | | | 1 | | 5 | | 8 | | 9 | | 8 | | 5 | | 1 |
| | | | | | 1 | | 6 | | 12 | | 15 | | 15 | | 12 | | 6 | | 1 |
| | | | | 1 | | 7 | | 17 | | 24 | | 27 | | 24 | | 17 | | 7 | | 1 |
| | | | 1 | | 8 | | 23 | | 37 | | 46 | | 46 | | 37 | | 23 | | 8 | | 1 |
| | | 1 | | 9 | | 30 | | 55 | | 75 | | 83 | | 75 | | 55 | | 30 | | 9 | | 1 |
| | 1 | | 10 | | 38 | | 79 | | 118 | | 143 | | 143 | | 118 | | 79 | | 38 | | 10 | | 1 |
|
A047080 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | 1 | 2 | 3 | 5 | 8 | 12 | 17 | 23 | 30 | 38
| | 1 | 3 | 5 | 9 | 15 | 24 | 37 | 55 | 79
| | 1 | 4 | 8 | 15 | 27 | 46 | 75 | 118
| | 1 | 5 | 12 | 24 | 46 | 83 | 143
| | 1 | 6 | 17 | 37 | 75 | 143
| | 1 | 7 | 23 | 55 | 118
| | 1 | 8 | 30 | 79
| | 1 | 9 | 38
| | 1 | 10
| | 1
|
A047080 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | | 1 | 2 | 3 | 5 | 8 | 12 | 17 | 23 | 30 | 38
| | | | 1 | 3 | 5 | 9 | 15 | 24 | 37 | 55 | 79
| | | | | 1 | 4 | 8 | 15 | 27 | 46 | 75 | 118
| | | | | | 1 | 5 | 12 | 24 | 46 | 83 | 143
| | | | | | | 1 | 6 | 17 | 37 | 75 | 143
| | | | | | | | 1 | 7 | 23 | 55 | 118
| | | | | | | | | 1 | 8 | 30 | 79
| | | | | | | | | | 1 | 9 | 38
| | | | | | | | | | | 1 | 10
| | | | | | | | | | | | 1
|
|
