A156139 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 1 | | | | | | | |
| | | | | | 1 | | 6 | | 1 | | | | | | |
| | | | | 1 | | 23 | | 28 | | 1 | | | | | |
| | | | 1 | | 76 | | 250 | | 145 | | 1 | | | | |
| | | 1 | | 237 | | 1608 | | 2475 | | 876 | | 1 | | | |
| | 1 | | 722 | | 8802 | | 26847 | | 25056 | | 6139 | | 1 | | |
| 1 | | 2179 | | 43872 | | 231057 | | 418806 | | 268477 | | 49120 | | 1 | |
| 1 | | 6552 | | 205994 | | 1725621 | | 5285520 | | 6486205 | | 3077730 | | 442089 | | 1 |
A156139 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 6 | 23 | 76 | 237 | 722 | 2179 | 6552 | |
| 1 | 28 | 250 | 1608 | 8802 | 43872 | 205994 | | |
| 1 | 145 | 2475 | 26847 | 231057 | 1725621 | | | |
| 1 | 876 | 25056 | 418806 | 5285520 | | | | |
| 1 | 6139 | 268477 | 6486205 | | | | | |
| 1 | 49120 | 3077730 | | | | | | |
| 1 | 442089 | | | | | | | |
| 1 | | | | | | | | |
A156139 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 6 | 23 | 76 | 237 | 722 | 2179 | 6552 |
| | 1 | 28 | 250 | 1608 | 8802 | 43872 | 205994 |
| | | 1 | 145 | 2475 | 26847 | 231057 | 1725621 |
| | | | 1 | 876 | 25056 | 418806 | 5285520 |
| | | | | 1 | 6139 | 268477 | 6486205 |
| | | | | | 1 | 49120 | 3077730 |
| | | | | | | 1 | 442089 |
| | | | | | | | 1 |
|
