A263337 as a triangular array
| | | | | | | | | 3 |
| | | | | | | | | 7 | | 7 |
| | | | | | | | 19 | | 19 | | 19 |
| | | | | | | 57 | | 57 | | 57 | | 57 |
| | | | | | 169 | | 409 | | 277 | | 409 | | 169 |
| | | | | 505 | | 2047 | | 8983 | | 8983 | | 2047 | | 505 |
| | | | 1515 | | 10747 | | 86743 | | 702549 | | 86743 | | 10747 | | 1515 |
| | | 4543 | | 70423 | | 1242727 | | 18071161 | | 18071161 | | 1242727 | | 70423 | | 4543 |
| | 13627 | | 427507 | | 24783643 | | 805620145 |
|
A263337 as a square array
3 | 7 | 19 | 57 | 169 | 505 | 1515 | 4543 | 13627
| 7 | 19 | 57 | 409 | 2047 | 10747 | 70423 | 427507
| 19 | 57 | 277 | 8983 | 86743 | 1242727 | 24783643
| 57 | 409 | 8983 | 702549 | 18071161 | 805620145
| 169 | 2047 | 86743 | 18071161
| 505 | 10747 | 1242727
| 1515 | 70423
| 4543
|
A263337 as an upper right triangle
3 | 7 | 19 | 57 | 169 | 505 | 1515 | 4543 | 13627
| | 7 | 19 | 57 | 409 | 2047 | 10747 | 70423 | 427507
| | | 19 | 57 | 277 | 8983 | 86743 | 1242727 | 24783643
| | | | 57 | 409 | 8983 | 702549 | 18071161 | 805620145
| | | | | 169 | 2047 | 86743 | 18071161
| | | | | | 505 | 10747 | 1242727
| | | | | | | 1515 | 70423
| | | | | | | | 4543
| | | | | | | |
|
|