A086645 formatted as a triangular array:
| | | | | | | | | 1 | | | | | | | | | |
| | | | | | | | 1 | | 1 | | | | | | | | |
| | | | | | | 1 | | 6 | | 1 | | | | | | | |
| | | | | | 1 | | 15 | | 15 | | 1 | | | | | | |
| | | | | 1 | | 28 | | 70 | | 28 | | 1 | | | | | |
| | | | 1 | | 45 | | 210 | | 210 | | 45 | | 1 | | | | |
| | | 1 | | 66 | | 495 | | 924 | | 495 | | 66 | | 1 | | | |
| | 1 | | 91 | | 1001 | | 3003 | | 3003 | | 1001 | | 91 | | 1 | | |
| 1 | | 120 | | 1820 | | 8008 | | 12870 | | 8008 | | 1820 | | 120 | | 1 | |
| 1 | | 153 | | 3060 | | 18564 | | 43758 | | 43758 | | 18564 | | 3060 | | 153 | | 1 |
A086645 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 6 | 15 | 28 | 45 | 66 | 91 | 120 | 153 | |
| 1 | 15 | 70 | 210 | 495 | 1001 | 1820 | 3060 | | |
| 1 | 28 | 210 | 924 | 3003 | 8008 | 18564 | | | |
| 1 | 45 | 495 | 3003 | 12870 | 43758 | | | | |
| 1 | 66 | 1001 | 8008 | 43758 | | | | | |
| 1 | 91 | 1820 | 18564 | | | | | | |
| 1 | 120 | 3060 | | | | | | | |
| 1 | 153 | | | | | | | | |
| 1 | | | | | | | | | |
A086645 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 6 | 15 | 28 | 45 | 66 | 91 | 120 | 153 |
| | 1 | 15 | 70 | 210 | 495 | 1001 | 1820 | 3060 |
| | | 1 | 28 | 210 | 924 | 3003 | 8008 | 18564 |
| | | | 1 | 45 | 495 | 3003 | 12870 | 43758 |
| | | | | 1 | 66 | 1001 | 8008 | 43758 |
| | | | | | 1 | 91 | 1820 | 18564 |
| | | | | | | 1 | 120 | 3060 |
| | | | | | | | 1 | 153 |
| | | | | | | | | 1 |
|
