A141689 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | 1 | | 7 | | 7 | | 1 |
| | | | | | | 1 | | 15 | | 36 | | 15 | | 1 |
| | | | | | 1 | | 31 | | 156 | | 156 | | 31 | | 1 |
| | | | | 1 | | 63 | | 603 | | 1218 | | 603 | | 63 | | 1 |
| | | | 1 | | 127 | | 2157 | | 7827 | | 7827 | | 2157 | | 127 | | 1 |
| | | 1 | | 255 | | 7318 | | 44145 | | 78130 | | 44145 | | 7318 | | 255 | | 1 |
| | 1 | | 511 | | 23938 | | 227638 | | 655240 | | 655240 | | 227638 | | 23938 | | 511 | | 1 |
|
A141689 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511
| 1 | 7 | 36 | 156 | 603 | 2157 | 7318 | 23938
| 1 | 15 | 156 | 1218 | 7827 | 44145 | 227638
| 1 | 31 | 603 | 7827 | 78130 | 655240
| 1 | 63 | 2157 | 44145 | 655240
| 1 | 127 | 7318 | 227638
| 1 | 255 | 23938
| 1 | 511
| 1
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A141689 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511
| | | 1 | 7 | 36 | 156 | 603 | 2157 | 7318 | 23938
| | | | 1 | 15 | 156 | 1218 | 7827 | 44145 | 227638
| | | | | 1 | 31 | 603 | 7827 | 78130 | 655240
| | | | | | 1 | 63 | 2157 | 44145 | 655240
| | | | | | | 1 | 127 | 7318 | 227638
| | | | | | | | 1 | 255 | 23938
| | | | | | | | | 1 | 511
| | | | | | | | | | 1
|
|