A172339 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | 1 | | 10 | | 10 | | 1 |
| | | | | | | 1 | | 33 | | 110 | | 33 | | 1 |
| | | | | | 1 | | 109 | | 1199 | | 1199 | | 109 | | 1 |
| | | | | 1 | | 360 | | 13080 | | 43164 | | 13080 | | 360 | | 1 |
| | | | 1 | | 1189 | | 142680 | | 1555212 | | 1555212 | | 142680 | | 1189 | | 1 |
| | | 1 | | 3927 | | 1556401 | | 56030436 | | 185070228 | | 56030436 | | 1556401 | | 3927 | | 1 |
| | 1 | | 12970 | | 16977730 |
|
A172339 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 10 | 33 | 109 | 360 | 1189 | 3927 | 12970
| | 1 | 10 | 110 | 1199 | 13080 | 142680 | 1556401 | 16977730
| | 1 | 33 | 1199 | 43164 | 1555212 | 56030436
| | 1 | 109 | 13080 | 1555212 | 185070228
| | 1 | 360 | 142680 | 56030436
| | 1 | 1189 | 1556401
| | 1 | 3927
| | 1
|
A172339 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 10 | 33 | 109 | 360 | 1189 | 3927 | 12970
| | | 1 | 10 | 110 | 1199 | 13080 | 142680 | 1556401 | 16977730
| | | | 1 | 33 | 1199 | 43164 | 1555212 | 56030436
| | | | | 1 | 109 | 13080 | 1555212 | 185070228
| | | | | | 1 | 360 | 142680 | 56030436
| | | | | | | 1 | 1189 | 1556401
| | | | | | | | 1 | 3927
| | | | | | | | | 1
| | | | | | | | |
|
|
