A121298 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 0 | | 2 |
| | | | | | | | | | | 0 | | 1 | | 4 |
| | | | | | | | | | 0 | | 0 | | 5 | | 8 |
| | | | | | | | | 0 | | 0 | | 3 | | 15 | | 16 |
| | | | | | | | 0 | | 0 | | 1 | | 17 | | 39 | | 32 |
| | | | | | | 0 | | 0 | | 0 | | 15 | | 59 | | 95 | | 64 |
| | | | | | 0 | | 0 | | 0 | | 9 | | 75 | | 175 | | 223 | | 128 |
| | | | | 0 | | 0 | | 0 | | 4 | | 78 | | 269 | | 479 | | 511 | | 256 |
| | | | 0 | | 0 | | 0 | | 1 | | 67 | | 358 | | 845 | | 1247 | | 1151 | | 512 |
| | | 0 | | 0 | | 0 | | 0 | | 48 | | 419 | | 1300 | | 2461 | | 3135 | | 2559 | | 1024 |
| | 0 | | 0 | | 0 | | 0 | | 29 | | 432 | | 1801 |
|
A121298 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 4 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0
| 8 | 15 | 17 | 15 | 9 | 4 | 1 | 0 | 0
| 16 | 39 | 59 | 75 | 78 | 67 | 48 | 29
| 32 | 95 | 175 | 269 | 358 | 419 | 432
| 64 | 223 | 479 | 845 | 1300 | 1801
| 128 | 511 | 1247 | 2461
| 256 | 1151 | 3135
| 512 | 2559
| 1024
|
A121298 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 4 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0
| | | | 8 | 15 | 17 | 15 | 9 | 4 | 1 | 0 | 0
| | | | | 16 | 39 | 59 | 75 | 78 | 67 | 48 | 29
| | | | | | 32 | 95 | 175 | 269 | 358 | 419 | 432
| | | | | | | 64 | 223 | 479 | 845 | 1300 | 1801
| | | | | | | | 128 | 511 | 1247 | 2461
| | | | | | | | | 256 | 1151 | 3135
| | | | | | | | | | 512 | 2559
| | | | | | | | | | | 1024
| | | | | | | | | | |
|
|