A209690 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 2 | | 1 |
| | | | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | | | 1 | | 3 | | 7 | | 1 |
| | | | | | | | | 1 | | 2 | | 9 | | 11 | | 1 |
| | | | | | | | 1 | | 2 | | 6 | | 22 | | 16 | | 1 |
| | | | | | | 1 | | 2 | | 5 | | 19 | | 46 | | 22 | | 1 |
| | | | | | 1 | | 2 | | 5 | | 14 | | 54 | | 86 | | 29 | | 1 |
| | | | | 1 | | 2 | | 5 | | 13 | | 42 | | 135 | | 148 | | 37 | | 1 |
| | | | 1 | | 2 | | 5 | | 13 | | 35 | | 124 | | 302 | | 239 | | 46 | | 1 |
| | | 1 | | 2 | | 5 | | 13 | | 34 | | 99 | | 341 | | 617 | | 367 | | 56 | | 1 |
| | 1 | | 2 | | 5 | | 13 | | 34 | | 90 | | 287 | | 860 | | 1171 |
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A209690 as a square array
1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2
| 1 | 7 | 9 | 6 | 5 | 5 | 5 | 5 | 5 | 5
| 1 | 11 | 22 | 19 | 14 | 13 | 13 | 13 | 13
| 1 | 16 | 46 | 54 | 42 | 35 | 34 | 34
| 1 | 22 | 86 | 135 | 124 | 99 | 90
| 1 | 29 | 148 | 302 | 341 | 287
| 1 | 37 | 239 | 617 | 860
| 1 | 46 | 367 | 1171
| 1 | 56
| 1
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A209690 as an upper right triangle
1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2
| | | 1 | 7 | 9 | 6 | 5 | 5 | 5 | 5 | 5 | 5
| | | | 1 | 11 | 22 | 19 | 14 | 13 | 13 | 13 | 13
| | | | | 1 | 16 | 46 | 54 | 42 | 35 | 34 | 34
| | | | | | 1 | 22 | 86 | 135 | 124 | 99 | 90
| | | | | | | 1 | 29 | 148 | 302 | 341 | 287
| | | | | | | | 1 | 37 | 239 | 617 | 860
| | | | | | | | | 1 | 46 | 367 | 1171
| | | | | | | | | | 1 | 56
| | | | | | | | | | | 1
| | | | | | | | | | |
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