A081265 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 0 |
| | | | | | | | | | | 2 | | 0 | | 1 |
| | | | | | | | | | 4 | | 0 | | 3 | | 0 |
| | | | | | | | | 8 | | 0 | | 8 | | 0 | | 1 |
| | | | | | | | 16 | | 0 | | 20 | | 0 | | 5 | | 0 |
| | | | | | | 32 | | 0 | | 48 | | 0 | | 18 | | 0 | | 1 |
| | | | | | 64 | | 0 | | 112 | | 0 | | 56 | | 0 | | 7 | | 0 |
| | | | | 128 | | 0 | | 256 | | 0 | | 160 | | 0 | | 32 | | 0 | | 1 |
| | | | 256 | | 0 | | 576 | | 0 | | 432 | | 0 | | 120 | | 0 | | 9 | | 0 |
| | | 512 | | 0 | | 1280 | | 0 | | 1120 | | 0 | | 400 | | 0 | | 50 | | 0 | | 1 |
| | 1024 | | 0 | | 2816 | | 0 | | 2816 | | 0 | | 1232 | | 0 | | 220 |
|
A081265 as a square array
1 | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 3 | 8 | 20 | 48 | 112 | 256 | 576 | 1280 | 2816
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 5 | 18 | 56 | 160 | 432 | 1120 | 2816
| 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 7 | 32 | 120 | 400 | 1232
| 0 | 0 | 0 | 0 | 0
| 1 | 9 | 50 | 220
| 0 | 0
| 1
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A081265 as an upper right triangle
1 | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024
| | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 1 | 3 | 8 | 20 | 48 | 112 | 256 | 576 | 1280 | 2816
| | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | | | 1 | 5 | 18 | 56 | 160 | 432 | 1120 | 2816
| | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | | | | | 1 | 7 | 32 | 120 | 400 | 1232
| | | | | | | | 0 | 0 | 0 | 0 | 0
| | | | | | | | | 1 | 9 | 50 | 220
| | | | | | | | | | 0 | 0
| | | | | | | | | | | 1
| | | | | | | | | | |
|
|