A112857 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | | 1 | | 7 | | 5 | | 1 |
| | | | | | | | 1 | | 15 | | 17 | | 7 | | 1 |
| | | | | | | 1 | | 31 | | 49 | | 31 | | 9 | | 1 |
| | | | | | 1 | | 63 | | 129 | | 111 | | 49 | | 11 | | 1 |
| | | | | 1 | | 127 | | 321 | | 351 | | 209 | | 71 | | 13 | | 1 |
| | | | 1 | | 255 | | 769 | | 1023 | | 769 | | 351 | | 97 | | 15 | | 1 |
| | | 1 | | 511 | | 1793 | | 2815 | | 2561 | | 1471 | | 545 | | 127 | | 17 | | 1 |
| | 1 | | 1023 | | 4097 | | 7423 | | 7937 | | 5503 | | 2561 | | 799 | | 161 | | 19 | | 1 |
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A112857 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511 | 1023
| 1 | 5 | 17 | 49 | 129 | 321 | 769 | 1793 | 4097
| 1 | 7 | 31 | 111 | 351 | 1023 | 2815 | 7423
| 1 | 9 | 49 | 209 | 769 | 2561 | 7937
| 1 | 11 | 71 | 351 | 1471 | 5503
| 1 | 13 | 97 | 545 | 2561
| 1 | 15 | 127 | 799
| 1 | 17 | 161
| 1 | 19
| 1
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A112857 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511 | 1023
| | | 1 | 5 | 17 | 49 | 129 | 321 | 769 | 1793 | 4097
| | | | 1 | 7 | 31 | 111 | 351 | 1023 | 2815 | 7423
| | | | | 1 | 9 | 49 | 209 | 769 | 2561 | 7937
| | | | | | 1 | 11 | 71 | 351 | 1471 | 5503
| | | | | | | 1 | 13 | 97 | 545 | 2561
| | | | | | | | 1 | 15 | 127 | 799
| | | | | | | | | 1 | 17 | 161
| | | | | | | | | | 1 | 19
| | | | | | | | | | | 1
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