A098691 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 2 | | 2 | | 1 |
| | | | | | | | | 2 | | 4 | | 4 | | 2 |
| | | | | | | | 3 | | 6 | | 10 | | 10 | | 3 |
| | | | | | | 3 | | 9 | | 20 | | 32 | | 24 | | 5 |
| | | | | | 4 | | 12 | | 35 | | 78 | | 102 | | 60 | | 9 |
| | | | | 4 | | 16 | | 56 | | 162 | | 312 | | 340 | | 156 | | 16 |
| | | | 5 | | 20 | | 84 | | 300 | | 777 | | 1300 | | 1170 | | 410 | | 28 |
| | | 5 | | 25 | | 120 | | 512 | | 1680 | | 3885 | | 5580 | | 4096 | | 1092 | | 51 |
| | 6 | | 30 | | 165 | | 820 | | 3276 | | 9800 | | 19995 | | 24414 |
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A098691 as a square array
1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6
| 1 | 2 | 4 | 6 | 9 | 12 | 16 | 20 | 25 | 30
| 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120 | 165
| 2 | 10 | 32 | 78 | 162 | 300 | 512 | 820
| 3 | 24 | 102 | 312 | 777 | 1680 | 3276
| 5 | 60 | 340 | 1300 | 3885 | 9800
| 9 | 156 | 1170 | 5580 | 19995
| 16 | 410 | 4096 | 24414
| 28 | 1092
| 51
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A098691 as an upper right triangle
1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6
| | 1 | 2 | 4 | 6 | 9 | 12 | 16 | 20 | 25 | 30
| | | 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120 | 165
| | | | 2 | 10 | 32 | 78 | 162 | 300 | 512 | 820
| | | | | 3 | 24 | 102 | 312 | 777 | 1680 | 3276
| | | | | | 5 | 60 | 340 | 1300 | 3885 | 9800
| | | | | | | 9 | 156 | 1170 | 5580 | 19995
| | | | | | | | 16 | 410 | 4096 | 24414
| | | | | | | | | 28 | 1092
| | | | | | | | | | 51
| | | | | | | | | |
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