A219704 as a triangular array
| | | | | | | | | | | | 2 |
| | | | | | | | | | | | 2 | | 2 |
| | | | | | | | | | | 3 | | 3 | | 3 |
| | | | | | | | | | 4 | | 5 | | 5 | | 4 |
| | | | | | | | | 5 | | 7 | | 13 | | 7 | | 5 |
| | | | | | | | 6 | | 9 | | 25 | | 25 | | 9 | | 6 |
| | | | | | | 7 | | 11 | | 45 | | 64 | | 45 | | 11 | | 7 |
| | | | | | 8 | | 13 | | 78 | | 158 | | 158 | | 78 | | 13 | | 8 |
| | | | | 9 | | 15 | | 130 | | 374 | | 518 | | 374 | | 130 | | 15 | | 9 |
| | | | 10 | | 17 | | 208 | | 841 | | 1648 | | 1648 | | 841 | | 208 | | 17 | | 10 |
| | | 11 | | 19 | | 320 | | 1789 | | 5007 | | 6976 | | 5007 | | 1789 | | 320 | | 19 | | 11 |
| | 12 | | 21 | | 475 |
|
A219704 as a square array
2 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12
| 2 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21
| 3 | 5 | 13 | 25 | 45 | 78 | 130 | 208 | 320 | 475
| 4 | 7 | 25 | 64 | 158 | 374 | 841 | 1789
| 5 | 9 | 45 | 158 | 518 | 1648 | 5007
| 6 | 11 | 78 | 374 | 1648 | 6976
| 7 | 13 | 130 | 841 | 5007
| 8 | 15 | 208 | 1789
| 9 | 17 | 320
| 10 | 19
| 11
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A219704 as an upper right triangle
2 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12
| | 2 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21
| | | 3 | 5 | 13 | 25 | 45 | 78 | 130 | 208 | 320 | 475
| | | | 4 | 7 | 25 | 64 | 158 | 374 | 841 | 1789
| | | | | 5 | 9 | 45 | 158 | 518 | 1648 | 5007
| | | | | | 6 | 11 | 78 | 374 | 1648 | 6976
| | | | | | | 7 | 13 | 130 | 841 | 5007
| | | | | | | | 8 | 15 | 208 | 1789
| | | | | | | | | 9 | 17 | 320
| | | | | | | | | | 10 | 19
| | | | | | | | | | | 11
| | | | | | | | | | |
|
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