A136489 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | | 1 | | 5 | | 5 | | 1 |
| | | | | | | | 1 | | 8 | | 10 | | 8 | | 1 |
| | | | | | | 1 | | 9 | | 18 | | 18 | | 9 | | 1 |
| | | | | | 1 | | 12 | | 27 | | 40 | | 27 | | 12 | | 1 |
| | | | | 1 | | 13 | | 39 | | 67 | | 67 | | 39 | | 13 | | 1 |
| | | | 1 | | 16 | | 52 | | 112 | | 134 | | 112 | | 52 | | 16 | | 1 |
| | | 1 | | 17 | | 68 | | 164 | | 246 | | 246 | | 164 | | 68 | | 17 | | 1 |
| | 1 | | 20 | | 85 | | 240 | | 410 | | 504 | | 410 | | 240 | | 85 | | 20 | | 1 |
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A136489 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 4 | 5 | 8 | 9 | 12 | 13 | 16 | 17 | 20
| 1 | 5 | 10 | 18 | 27 | 39 | 52 | 68 | 85
| 1 | 8 | 18 | 40 | 67 | 112 | 164 | 240
| 1 | 9 | 27 | 67 | 134 | 246 | 410
| 1 | 12 | 39 | 112 | 246 | 504
| 1 | 13 | 52 | 164 | 410
| 1 | 16 | 68 | 240
| 1 | 17 | 85
| 1 | 20
| 1
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A136489 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 5 | 8 | 9 | 12 | 13 | 16 | 17 | 20
| | | 1 | 5 | 10 | 18 | 27 | 39 | 52 | 68 | 85
| | | | 1 | 8 | 18 | 40 | 67 | 112 | 164 | 240
| | | | | 1 | 9 | 27 | 67 | 134 | 246 | 410
| | | | | | 1 | 12 | 39 | 112 | 246 | 504
| | | | | | | 1 | 13 | 52 | 164 | 410
| | | | | | | | 1 | 16 | 68 | 240
| | | | | | | | | 1 | 17 | 85
| | | | | | | | | | 1 | 20
| | | | | | | | | | | 1
|
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