A034253 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | | 1 | | 4 | | 6 | | 4 | | 1 |
| | | | | | | | 1 | | 6 | | 12 | | 11 | | 5 | | 1 |
| | | | | | | 1 | | 7 | | 21 | | 27 | | 17 | | 6 | | 1 |
| | | | | | 1 | | 9 | | 34 | | 63 | | 54 | | 25 | | 7 | | 1 |
| | | | | 1 | | 11 | | 54 | | 134 | | 163 | | 99 | | 35 | | 8 | | 1 |
| | | | 1 | | 13 | | 82 | | 276 | | 465 | | 385 | | 170 | | 47 | | 9 | | 1 |
| | | 1 | | 15 | | 120 | | 544 | | 1283 | | 1472 | | 847 | | 277 | | 61 | | 10 | | 1 |
| | 1 | | 18 | | 174 | | 1048 | | 3480 |
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A034253 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 6 | 7 | 9 | 11 | 13 | 15 | 18
| | 1 | 3 | 6 | 12 | 21 | 34 | 54 | 82 | 120 | 174
| | 1 | 4 | 11 | 27 | 63 | 134 | 276 | 544 | 1048
| | 1 | 5 | 17 | 54 | 163 | 465 | 1283 | 3480
| | 1 | 6 | 25 | 99 | 385 | 1472
| | 1 | 7 | 35 | 170 | 847
| | 1 | 8 | 47 | 277
| | 1 | 9 | 61
| | 1 | 10
| | 1
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A034253 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 6 | 7 | 9 | 11 | 13 | 15 | 18
| | | 1 | 3 | 6 | 12 | 21 | 34 | 54 | 82 | 120 | 174
| | | | 1 | 4 | 11 | 27 | 63 | 134 | 276 | 544 | 1048
| | | | | 1 | 5 | 17 | 54 | 163 | 465 | 1283 | 3480
| | | | | | 1 | 6 | 25 | 99 | 385 | 1472
| | | | | | | 1 | 7 | 35 | 170 | 847
| | | | | | | | 1 | 8 | 47 | 277
| | | | | | | | | 1 | 9 | 61
| | | | | | | | | | 1 | 10
| | | | | | | | | | | 1
| | | | | | | | | | |
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