A254989 as a triangular array
| | | | | | | | 512 |
| | | | | | | | 2642 | | 2642 |
| | | | | | | 10285 | | 12866 | | 10285 |
| | | | | | 39891 | | 56002 | | 56002 | | 39891 |
| | | | | 160753 | | 273707 | | 319420 | | 273707 | | 160753 |
| | | | 639228 | | 1301410 | | 2120266 | | 2120266 | | 1301410 | | 639228 |
| | | 2462249 | | 6027037 | | 13519728 | | 18875800 | | 13519728 | | 6027037 | | 2462249 |
| | 9299264 |
|
A254989 as a square array
512 | 2642 | 10285 | 39891 | 160753 | 639228 | 2462249 | 9299264
| 2642 | 12866 | 56002 | 273707 | 1301410 | 6027037
| 10285 | 56002 | 319420 | 2120266 | 13519728
| 39891 | 273707 | 2120266 | 18875800
| 160753 | 1301410 | 13519728
| 639228 | 6027037
| 2462249
|
A254989 as an upper right triangle
512 | 2642 | 10285 | 39891 | 160753 | 639228 | 2462249 | 9299264
| | 2642 | 12866 | 56002 | 273707 | 1301410 | 6027037
| | | 10285 | 56002 | 319420 | 2120266 | 13519728
| | | | 39891 | 273707 | 2120266 | 18875800
| | | | | 160753 | 1301410 | 13519728
| | | | | | 639228 | 6027037
| | | | | | | 2462249
| | | | | | |
|
|