A154982 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | 1 | | 9 | | 9 | | 1 |
| | | | | | | 1 | | 18 | | 50 | | 18 | | 1 |
| | | | | | 1 | | 35 | | 212 | | 212 | | 35 | | 1 |
| | | | | 1 | | 68 | | 823 | | 2024 | | 823 | | 68 | | 1 |
| | | | 1 | | 133 | | 3131 | | 16415 | | 16415 | | 3131 | | 133 | | 1 |
| | | 1 | | 262 | | 11968 | | 124890 | | 291902 | | 124890 | | 11968 | | 262 | | 1 |
| | 1 | | 519 | | 46278 | | 938394 | | 4619032 | | 4619032 | | 938394 | | 46278 | | 519 | | 1 |
|
A154982 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 9 | 18 | 35 | 68 | 133 | 262 | 519
| | 1 | 9 | 50 | 212 | 823 | 3131 | 11968 | 46278
| | 1 | 18 | 212 | 2024 | 16415 | 124890 | 938394
| | 1 | 35 | 823 | 16415 | 291902 | 4619032
| | 1 | 68 | 3131 | 124890 | 4619032
| | 1 | 133 | 11968 | 938394
| | 1 | 262 | 46278
| | 1 | 519
| | 1
|
A154982 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 9 | 18 | 35 | 68 | 133 | 262 | 519
| | | 1 | 9 | 50 | 212 | 823 | 3131 | 11968 | 46278
| | | | 1 | 18 | 212 | 2024 | 16415 | 124890 | 938394
| | | | | 1 | 35 | 823 | 16415 | 291902 | 4619032
| | | | | | 1 | 68 | 3131 | 124890 | 4619032
| | | | | | | 1 | 133 | 11968 | 938394
| | | | | | | | 1 | 262 | 46278
| | | | | | | | | 1 | 519
| | | | | | | | | | 1
|
|
