A298727 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 5 | | 1 |
| | | | | | | | | 1 | | 7 | | 7 | | 1 |
| | | | | | | | 1 | | 18 | | 5 | | 18 | | 1 |
| | | | | | | 1 | | 31 | | 15 | | 15 | | 31 | | 1 |
| | | | | | 1 | | 65 | | 21 | | 34 | | 21 | | 65 | | 1 |
| | | | | 1 | | 130 | | 57 | | 77 | | 77 | | 57 | | 130 | | 1 |
| | | | 1 | | 253 | | 119 | | 230 | | 336 | | 230 | | 119 | | 253 | | 1 |
| | | 1 | | 519 | | 285 | | 712 | | 1041 | | 1041 | | 712 | | 285 | | 519 | | 1 |
| | 1 | | 1018 | | 725 | | 2167 | | 3676 | | 4001 | | 3676 | | 2167 | | 725 | | 1018 | | 1 |
|
A298727 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 7 | 18 | 31 | 65 | 130 | 253 | 519 | 1018
| | 1 | 7 | 5 | 15 | 21 | 57 | 119 | 285 | 725
| | 1 | 18 | 15 | 34 | 77 | 230 | 712 | 2167
| | 1 | 31 | 21 | 77 | 336 | 1041 | 3676
| | 1 | 65 | 57 | 230 | 1041 | 4001
| | 1 | 130 | 119 | 712 | 3676
| | 1 | 253 | 285 | 2167
| | 1 | 519 | 725
| | 1 | 1018
| | 1
|
A298727 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 7 | 18 | 31 | 65 | 130 | 253 | 519 | 1018
| | | 1 | 7 | 5 | 15 | 21 | 57 | 119 | 285 | 725
| | | | 1 | 18 | 15 | 34 | 77 | 230 | 712 | 2167
| | | | | 1 | 31 | 21 | 77 | 336 | 1041 | 3676
| | | | | | 1 | 65 | 57 | 230 | 1041 | 4001
| | | | | | | 1 | 130 | 119 | 712 | 3676
| | | | | | | | 1 | 253 | 285 | 2167
| | | | | | | | | 1 | 519 | 725
| | | | | | | | | | 1 | 1018
| | | | | | | | | | | 1
|
|
