A128971 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 2 | | 2 |
| | | | | | | 5 | | 4 | | 4 |
| | | | | | 10 | | 10 | | 8 | | 8 |
| | | | | 21 | | 20 | | 20 | | 16 | | 16 |
| | | | 42 | | 42 | | 40 | | 40 | | 32 | | 32 |
| | | 85 | | 84 | | 84 | | 80 | | 80 | | 64 | | 64 |
| | 170 | | 170 | | 168 | | 168 | | 160 | | 160 | | 128 |
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A128971 as a square array
| 1 | 2 | 5 | 10 | 21 | 42 | 85 | 170
| | 2 | 4 | 10 | 20 | 42 | 84 | 170
| | 4 | 8 | 20 | 40 | 84 | 168
| | 8 | 16 | 40 | 80 | 168
| | 16 | 32 | 80 | 160
| | 32 | 64 | 160
| | 64 | 128
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A128971 as an upper right triangle
| 1 | 2 | 5 | 10 | 21 | 42 | 85 | 170
| | 2 | 4 | 10 | 20 | 42 | 84 | 170
| | | 4 | 8 | 20 | 40 | 84 | 168
| | | | 8 | 16 | 40 | 80 | 168
| | | | | 16 | 32 | 80 | 160
| | | | | | 32 | 64 | 160
| | | | | | | 64 | 128
| | | | | | |
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