A208517 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 3 |
| | | | | | | | | | 1 | | 3 | | 7 |
| | | | | | | | | 1 | | 3 | | 8 | | 17 |
| | | | | | | | 1 | | 3 | | 9 | | 22 | | 41 |
| | | | | | | 1 | | 3 | | 10 | | 27 | | 59 | | 99 |
| | | | | | 1 | | 3 | | 11 | | 32 | | 78 | | 157 | | 239 |
| | | | | 1 | | 3 | | 12 | | 37 | | 98 | | 222 | | 414 | | 577 |
| | | | 1 | | 3 | | 13 | | 42 | | 119 | | 294 | | 622 | | 1084 | | 1393 |
| | | 1 | | 3 | | 14 | | 47 | | 141 | | 373 | | 864 | | 1722 | | 2821 | | 3363 |
| | 1 | | 3 | | 15 | | 52 | | 164 | | 459 | | 1141 | | 2500 | | 4719 |
|
A208517 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15
| | 17 | 22 | 27 | 32 | 37 | 42 | 47 | 52
| | 41 | 59 | 78 | 98 | 119 | 141 | 164
| | 99 | 157 | 222 | 294 | 373 | 459
| | 239 | 414 | 622 | 864 | 1141
| | 577 | 1084 | 1722 | 2500
| | 1393 | 2821 | 4719
| | 3363
|
A208517 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15
| | | | 17 | 22 | 27 | 32 | 37 | 42 | 47 | 52
| | | | | 41 | 59 | 78 | 98 | 119 | 141 | 164
| | | | | | 99 | 157 | 222 | 294 | 373 | 459
| | | | | | | 239 | 414 | 622 | 864 | 1141
| | | | | | | | 577 | 1084 | 1722 | 2500
| | | | | | | | | 1393 | 2821 | 4719
| | | | | | | | | | 3363
| | | | | | | | | |
|
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