A177808 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 70 | | 1 |
| | | | | | | | 1 | | 495 | | 495 | | 1 |
| | | | | | | 1 | | 1820 | | 12870 | | 1820 | | 1 |
| | | | | | 1 | | 4845 | | 125970 | | 125970 | | 4845 | | 1 |
| | | | | 1 | | 10626 | | 735471 | | 2704156 | | 735471 | | 10626 | | 1 |
| | | | 1 | | 20475 | | 3108105 | | 30421755 | | 30421755 | | 3108105 | | 20475 | | 1 |
| | | 1 | | 35960 | | 10518300 | | 225792840 | | 601080390 | | 225792840 | | 10518300 | | 35960 | | 1 |
| | 1 | | 58905 | | 30260340 | | 1251677700 | | 7307872110 | | 7307872110 | | 1251677700 | | 30260340 | | 58905 | | 1 |
|
A177808 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 70 | 495 | 1820 | 4845 | 10626 | 20475 | 35960 | 58905
| | 1 | 495 | 12870 | 125970 | 735471 | 3108105 | 10518300 | 30260340
| | 1 | 1820 | 125970 | 2704156 | 30421755 | 225792840 | 1251677700
| | 1 | 4845 | 735471 | 30421755 | 601080390 | 7307872110
| | 1 | 10626 | 3108105 | 225792840 | 7307872110
| | 1 | 20475 | 10518300 | 1251677700
| | 1 | 35960 | 30260340
| | 1 | 58905
| | 1
|
A177808 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 70 | 495 | 1820 | 4845 | 10626 | 20475 | 35960 | 58905
| | | 1 | 495 | 12870 | 125970 | 735471 | 3108105 | 10518300 | 30260340
| | | | 1 | 1820 | 125970 | 2704156 | 30421755 | 225792840 | 1251677700
| | | | | 1 | 4845 | 735471 | 30421755 | 601080390 | 7307872110
| | | | | | 1 | 10626 | 3108105 | 225792840 | 7307872110
| | | | | | | 1 | 20475 | 10518300 | 1251677700
| | | | | | | | 1 | 35960 | 30260340
| | | | | | | | | 1 | 58905
| | | | | | | | | | 1
|
|
