A168422 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 7 | | 4 | | 1 |
| | | | | | | 71 | | 39 | | 9 | | 1 |
| | | | | | 1001 | | 536 | | 126 | | 16 | | 1 |
| | | | | 18089 | | 9545 | | 2270 | | 310 | | 25 | | 1 |
| | | | 398959 | | 208524 | | 49995 | | 7120 | | 645 | | 36 | | 1 |
| | | 10391023 | | 5394991 | | 1301139 | | 190435 | | 18445 | | 1197 | | 49 | | 1 |
| | 312129649 | | 161260336 | | 39066076 | | 5828704 | | 589750 | | 41776 | | 2044 | | 64 | | 1 |
|
A168422 as a square array
| 1 | 1 | 7 | 71 | 1001 | 18089 | 398959 | 10391023 | 312129649
| | 1 | 4 | 39 | 536 | 9545 | 208524 | 5394991 | 161260336
| | 1 | 9 | 126 | 2270 | 49995 | 1301139 | 39066076
| | 1 | 16 | 310 | 7120 | 190435 | 5828704
| | 1 | 25 | 645 | 18445 | 589750
| | 1 | 36 | 1197 | 41776
| | 1 | 49 | 2044
| | 1 | 64
| | 1
|
A168422 as an upper right triangle
| 1 | 1 | 7 | 71 | 1001 | 18089 | 398959 | 10391023 | 312129649
| | 1 | 4 | 39 | 536 | 9545 | 208524 | 5394991 | 161260336
| | | 1 | 9 | 126 | 2270 | 49995 | 1301139 | 39066076
| | | | 1 | 16 | 310 | 7120 | 190435 | 5828704
| | | | | 1 | 25 | 645 | 18445 | 589750
| | | | | | 1 | 36 | 1197 | 41776
| | | | | | | 1 | 49 | 2044
| | | | | | | | 1 | 64
| | | | | | | | | 1
|
|
