A091264 as a triangular array
| | | | | | | | | | | | 0 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 3 | | 2 | | 2 |
| | | | | | | | | | 7 | | 4 | | 3 | | 3 |
| | | | | | | | | 15 | | 8 | | 5 | | 4 | | 4 |
| | | | | | | | 31 | | 16 | | 9 | | 6 | | 5 | | 5 |
| | | | | | | 63 | | 32 | | 17 | | 10 | | 7 | | 6 | | 6 |
| | | | | | 127 | | 64 | | 33 | | 18 | | 11 | | 8 | | 7 | | 7 |
| | | | | 255 | | 128 | | 65 | | 34 | | 19 | | 12 | | 9 | | 8 | | 8 |
| | | | 511 | | 256 | | 129 | | 66 | | 35 | | 20 | | 13 | | 10 | | 9 | | 9 |
| | | 1023 | | 512 | | 257 | | 130 | | 67 | | 36 | | 21 | | 14 | | 11 | | 10 | | 10 |
| | 2047 | | 1024 | | 513 | | 258 | | 131 | | 68 | | 37 | | 22 |
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A091264 as a square array
0 | 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511 | 1023 | 2047
| 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024
| 2 | 3 | 5 | 9 | 17 | 33 | 65 | 129 | 257 | 513
| 3 | 4 | 6 | 10 | 18 | 34 | 66 | 130 | 258
| 4 | 5 | 7 | 11 | 19 | 35 | 67 | 131
| 5 | 6 | 8 | 12 | 20 | 36 | 68
| 6 | 7 | 9 | 13 | 21 | 37
| 7 | 8 | 10 | 14 | 22
| 8 | 9 | 11
| 9 | 10
| 10
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A091264 as an upper right triangle
0 | 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511 | 1023 | 2047
| | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024
| | | 2 | 3 | 5 | 9 | 17 | 33 | 65 | 129 | 257 | 513
| | | | 3 | 4 | 6 | 10 | 18 | 34 | 66 | 130 | 258
| | | | | 4 | 5 | 7 | 11 | 19 | 35 | 67 | 131
| | | | | | 5 | 6 | 8 | 12 | 20 | 36 | 68
| | | | | | | 6 | 7 | 9 | 13 | 21 | 37
| | | | | | | | 7 | 8 | 10 | 14 | 22
| | | | | | | | | 8 | 9 | 11
| | | | | | | | | | 9 | 10
| | | | | | | | | | | 10
| | | | | | | | | | |
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