A057004 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | 1 | | 7 | | 7 | | 1 |
| | | | | | | 1 | | 15 | | 41 | | 26 | | 1 |
| | | | | | 1 | | 31 | | 235 | | 604 | | 97 | | 1 |
| | | | | 1 | | 63 | | 1361 | | 14120 | | 13753 | | 624 | | 1 |
| | | | 1 | | 127 | | 7987 | | 334576 | | 1712845 | | 504243 | | 4163 | | 1 |
| | | 1 | | 255 | | 47321 | | 7987616 | | 207009649 | | 371515454 | | 24824785 | | 34470 | | 1 |
| | 1 | | 511 | | 281995 | | 191318464 |
|
A057004 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 | 41 | 235 | 1361 | 7987 | 47321 | 281995
| | 1 | 26 | 604 | 14120 | 334576 | 7987616 | 191318464
| | 1 | 97 | 13753 | 1712845 | 207009649
| | 1 | 624 | 504243 | 371515454
| | 1 | 4163 | 24824785
| | 1 | 34470
| | 1
|
A057004 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 | 41 | 235 | 1361 | 7987 | 47321 | 281995
| | | | 1 | 26 | 604 | 14120 | 334576 | 7987616 | 191318464
| | | | | 1 | 97 | 13753 | 1712845 | 207009649
| | | | | | 1 | 624 | 504243 | 371515454
| | | | | | | 1 | 4163 | 24824785
| | | | | | | | 1 | 34470
| | | | | | | | | 1
| | | | | | | | |
|
|
