A047030 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 1 | | 1 |
| | | | | | | | | 1 | | 3 | | 3 | | 1 | | 1 |
| | | | | | | | 1 | | 4 | | 6 | | 4 | | 2 | | 1 |
| | | | | | | 1 | | 5 | | 10 | | 10 | | 4 | | 1 | | 1 |
| | | | | | 1 | | 6 | | 15 | | 20 | | 14 | | 4 | | 2 | | 1 |
| | | | | 1 | | 7 | | 21 | | 35 | | 34 | | 18 | | 4 | | 3 | | 1 |
| | | | 1 | | 8 | | 28 | | 56 | | 69 | | 52 | | 22 | | 4 | | 4 | | 1 |
| | | 1 | | 9 | | 36 | | 84 | | 125 | | 121 | | 74 | | 26 | | 8 | | 5 | | 1 |
| | 1 | | 10 | | 45 | | 120 | | 209 | | 246 | | 195 | | 100 |
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A047030 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | 1 | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| | 1 | 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120
| | 1 | 2 | 4 | 14 | 34 | 69 | 125 | 209
| | 1 | 1 | 4 | 18 | 52 | 121 | 246
| | 1 | 2 | 4 | 22 | 74 | 195
| | 1 | 3 | 4 | 26 | 100
| | 1 | 4 | 8
| | 1 | 5
| | 1
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A047030 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | | 1 | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| | | | 1 | 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120
| | | | | 1 | 2 | 4 | 14 | 34 | 69 | 125 | 209
| | | | | | 1 | 1 | 4 | 18 | 52 | 121 | 246
| | | | | | | 1 | 2 | 4 | 22 | 74 | 195
| | | | | | | | 1 | 3 | 4 | 26 | 100
| | | | | | | | | 1 | 4 | 8
| | | | | | | | | | 1 | 5
| | | | | | | | | | | 1
| | | | | | | | | | |
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