A008280 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 0 | | 1 | | | | | | | |
| | | | | | 1 | | 1 | | 0 | | | | | | |
| | | | | 0 | | 1 | | 2 | | 2 | | | | | |
| | | | 5 | | 5 | | 4 | | 2 | | 0 | | | | |
| | | 0 | | 5 | | 10 | | 14 | | 16 | | 16 | | | |
| | 61 | | 61 | | 56 | | 46 | | 32 | | 16 | | 0 | | |
| 0 | | 61 | | 122 | | 178 | | 224 | | 256 | | 272 | | 272 | |
| 1385 | | 1385 | | 1324 | | 1202 | | 1024 | | 800 | | 544 | | 272 | | 0 |
A008280 formatted as a square array:
| 1 | 0 | 1 | 0 | 5 | 0 | 61 | 0 | 1385 |
| 1 | 1 | 1 | 5 | 5 | 61 | 61 | 1385 | |
| 0 | 2 | 4 | 10 | 56 | 122 | 1324 | | |
| 2 | 2 | 14 | 46 | 178 | 1202 | | | |
| 0 | 16 | 32 | 224 | 1024 | | | | |
| 16 | 16 | 256 | 800 | | | | | |
| 0 | 272 | 544 | | | | | | |
| 272 | 272 | | | | | | | |
| 0 | | | | | | | | |
A008280 formatted as an upper right triangle:
| 1 | 0 | 1 | 0 | 5 | 0 | 61 | 0 | 1385 |
| 1 | 1 | 1 | 5 | 5 | 61 | 61 | 1385 |
| | 0 | 2 | 4 | 10 | 56 | 122 | 1324 |
| | | 2 | 2 | 14 | 46 | 178 | 1202 |
| | | | 0 | 16 | 32 | 224 | 1024 |
| | | | | 16 | 16 | 256 | 800 |
| | | | | | 0 | 272 | 544 |
| | | | | | | 272 | 272 |
| | | | | | | | 0 |
|