A027293 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 2 | | 1 | | 1 |
| | | | | | | | | | | 3 | | 2 | | 1 | | 1 |
| | | | | | | | | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | | | | | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | | | | | 11 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | | | | 15 | | 11 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | | | 22 | | 15 | | 11 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | | 30 | | 22 | | 15 | | 11 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | 42 | | 30 | | 22 | | 15 | | 11 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | 56 | | 42 | | 30 | | 22 | | 15 | | 11 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | 77 |
|
A027293 as a square array
1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22 | 30 | 42 | 56 | 77
| 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22 | 30 | 42
| 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22 | 30
| 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22
| 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15
| 1 | 1 | 2 | 3 | 5 | 7 | 11
| 1 | 1 | 2 | 3 | 5 | 7
| 1 | 1 | 2 | 3 | 5
| 1 | 1 | 2 | 3
| 1 | 1 | 2
| 1 | 1
| 1
|
A027293 as an upper right triangle
1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22 | 30 | 42 | 56 | 77
| | 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22 | 30 | 42
| | | 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22 | 30
| | | | 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15 | 22
| | | | | 1 | 1 | 2 | 3 | 5 | 7 | 11 | 15
| | | | | | 1 | 1 | 2 | 3 | 5 | 7 | 11
| | | | | | | 1 | 1 | 2 | 3 | 5 | 7
| | | | | | | | 1 | 1 | 2 | 3 | 5
| | | | | | | | | 1 | 1 | 2 | 3
| | | | | | | | | | 1 | 1 | 2
| | | | | | | | | | | 1 | 1
| | | | | | | | | | | | 1
| | | | | | | | | | | |
|
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