A047997 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | 1 | | 3 | | 5 |
| | | | | | | | | 1 | | 4 | | 8 | | 12 |
| | | | | | | | 1 | | 5 | | 13 | | 24 | | 32 |
| | | | | | | 1 | | 6 | | 18 | | 43 | | 73 | | 94 |
| | | | | | 1 | | 7 | | 25 | | 69 | | 141 | | 227 | | 289 |
| | | | | 1 | | 8 | | 32 | | 104 | | 252 | | 480 | | 734 | | 910 |
| | | | 1 | | 9 | | 41 | | 150 | | 414 | | 920 | | 1656 | | 2430 | | 2934 |
| | | 1 | | 10 | | 50 | | 207 | | 649 | | 1636 | | 3370 | | 5744 | | 8150 | | 9686 |
| | 1 | | 11 | | 61 | | 277 | | 967 |
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A047997 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| 5 | 8 | 13 | 18 | 25 | 32 | 41 | 50 | 61
| 12 | 24 | 43 | 69 | 104 | 150 | 207 | 277
| 32 | 73 | 141 | 252 | 414 | 649 | 967
| 94 | 227 | 480 | 920 | 1636
| 289 | 734 | 1656 | 3370
| 910 | 2430 | 5744
| 2934 | 8150
| 9686
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A047997 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | | 5 | 8 | 13 | 18 | 25 | 32 | 41 | 50 | 61
| | | | 12 | 24 | 43 | 69 | 104 | 150 | 207 | 277
| | | | | 32 | 73 | 141 | 252 | 414 | 649 | 967
| | | | | | 94 | 227 | 480 | 920 | 1636
| | | | | | | 289 | 734 | 1656 | 3370
| | | | | | | | 910 | 2430 | 5744
| | | | | | | | | 2934 | 8150
| | | | | | | | | | 9686
| | | | | | | | | |
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