A022169 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 6 | | 1 |
| | | | | | | 1 | | 31 | | 31 | | 1 |
| | | | | | 1 | | 156 | | 806 | | 156 | | 1 |
| | | | | 1 | | 781 | | 20306 | | 20306 | | 781 | | 1 |
| | | | 1 | | 3906 | | 508431 | | 2558556 | | 508431 | | 3906 | | 1 |
| | | 1 | | 19531 | | 12714681 | | 320327931 | | 320327931 | | 12714681 | | 19531 | | 1 |
| | 1 | | 97656 | | 317886556 |
|
A022169 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 6 | 31 | 156 | 781 | 3906 | 19531 | 97656
| | 1 | 31 | 806 | 20306 | 508431 | 12714681 | 317886556
| | 1 | 156 | 20306 | 2558556 | 320327931
| | 1 | 781 | 508431 | 320327931
| | 1 | 3906 | 12714681
| | 1 | 19531
| | 1
|
A022169 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 6 | 31 | 156 | 781 | 3906 | 19531 | 97656
| | | 1 | 31 | 806 | 20306 | 508431 | 12714681 | 317886556
| | | | 1 | 156 | 20306 | 2558556 | 320327931
| | | | | 1 | 781 | 508431 | 320327931
| | | | | | 1 | 3906 | 12714681
| | | | | | | 1 | 19531
| | | | | | | | 1
| | | | | | | |
|
|
