A057944 as a triangular array
| | | | | | | | | | | | 0 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 3 | | 3 | | 3 |
| | | | | | | | | | 6 | | 6 | | 6 | | 6 |
| | | | | | | | | 10 | | 10 | | 10 | | 10 | | 10 |
| | | | | | | | 15 | | 15 | | 15 | | 15 | | 15 | | 15 |
| | | | | | | 21 | | 21 | | 21 | | 21 | | 21 | | 21 | | 21 |
| | | | | | 28 | | 28 | | 28 | | 28 | | 28 | | 28 | | 28 | | 28 |
| | | | | 36 | | 36 | | 36 | | 36 | | 36 | | 36 | | 36 | | 36 | | 36 |
| | | | 45 | | 45 | | 45 | | 45 | | 45 | | 45 | | 45 | | 45 | | 45 | | 45 |
| | | 55 | | 55 | | 55 | | 55 | | 55 | | 55 | | 55 | | 55 | | 55 | | 55 | | 55 |
| | 66 | | 66 | | 66 | | 66 | | 66 | | 66 |
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A057944 as a square array
0 | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| 15 | 21 | 28 | 36 | 45 | 55 | 66
| 21 | 28 | 36 | 45 | 55
| 28 | 36 | 45 | 55
| 36 | 45 | 55
| 45 | 55
| 55
|
A057944 as an upper right triangle
0 | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | | | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | | | | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | | | | | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | | | | | | 21 | 28 | 36 | 45 | 55
| | | | | | | | 28 | 36 | 45 | 55
| | | | | | | | | 36 | 45 | 55
| | | | | | | | | | 45 | 55
| | | | | | | | | | | 55
| | | | | | | | | | |
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