A286098 as a triangular array
| | | | | | | | | | | | | 0 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 3 | | 4 | | 3 |
| | | | | | | | | | | 6 | | 6 | | 6 | | 6 |
| | | | | | | | | | 10 | | 11 | | 12 | | 11 | | 10 |
| | | | | | | | | 15 | | 15 | | 17 | | 17 | | 15 | | 15 |
| | | | | | | | 21 | | 22 | | 21 | | 24 | | 21 | | 22 | | 21 |
| | | | | | | 28 | | 28 | | 28 | | 28 | | 28 | | 28 | | 28 | | 28 |
| | | | | | 36 | | 37 | | 38 | | 37 | | 40 | | 37 | | 38 | | 37 | | 36 |
| | | | | 45 | | 45 | | 47 | | 47 | | 49 | | 49 | | 47 | | 47 | | 45 | | 45 |
| | | | 55 | | 56 | | 55 | | 58 | | 59 | | 60 | | 59 | | 58 | | 55 | | 56 | | 55 |
| | | 66 | | 66 | | 66 | | 66 | | 70 | | 70 | | 70 | | 70 | | 66 | | 66 | | 66 | | 66 |
| | 78 | | 79 | | 80 | | 79 | | 78 | | 83 | | 84 | | 83 | | 78 | | 79 | | 80 | | 79 | | 78 |
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A286098 as a square array
0 | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66 | 78
| 1 | 4 | 6 | 11 | 15 | 22 | 28 | 37 | 45 | 56 | 66 | 79
| 3 | 6 | 12 | 17 | 21 | 28 | 38 | 47 | 55 | 66 | 80
| 6 | 11 | 17 | 24 | 28 | 37 | 47 | 58 | 66 | 79
| 10 | 15 | 21 | 28 | 40 | 49 | 59 | 70 | 78
| 15 | 22 | 28 | 37 | 49 | 60 | 70 | 83
| 21 | 28 | 38 | 47 | 59 | 70 | 84
| 28 | 37 | 47 | 58 | 70 | 83
| 36 | 45 | 55 | 66 | 78
| 45 | 56 | 66 | 79
| 55 | 66 | 80
| 66 | 79
| 78
|
A286098 as an upper right triangle
0 | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66 | 78
| | 1 | 4 | 6 | 11 | 15 | 22 | 28 | 37 | 45 | 56 | 66 | 79
| | | 3 | 6 | 12 | 17 | 21 | 28 | 38 | 47 | 55 | 66 | 80
| | | | 6 | 11 | 17 | 24 | 28 | 37 | 47 | 58 | 66 | 79
| | | | | 10 | 15 | 21 | 28 | 40 | 49 | 59 | 70 | 78
| | | | | | 15 | 22 | 28 | 37 | 49 | 60 | 70 | 83
| | | | | | | 21 | 28 | 38 | 47 | 59 | 70 | 84
| | | | | | | | 28 | 37 | 47 | 58 | 70 | 83
| | | | | | | | | 36 | 45 | 55 | 66 | 78
| | | | | | | | | | 45 | 56 | 66 | 79
| | | | | | | | | | | 55 | 66 | 80
| | | | | | | | | | | | 66 | 79
| | | | | | | | | | | | | 78
|
|