A130580 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 | | 1 |
| | | | | | | | | | 1 | | 3 | | 3 | | 1 | | 1 |
| | | | | | | | | 1 | | 5 | | 6 | | 4 | | 1 | | 1 |
| | | | | | | | 1 | | 9 | | 13 | | 10 | | 5 | | 1 | | 1 |
| | | | | | | 1 | | 18 | | 30 | | 26 | | 15 | | 6 | | 1 | | 1 |
| | | | | | 1 | | 40 | | 76 | | 71 | | 45 | | 21 | | 7 | | 1 | | 1 |
| | | | | 1 | | 98 | | 211 | | 210 | | 140 | | 71 | | 28 | | 8 | | 1 | | 1 |
| | | | 1 | | 263 | | 638 | | 673 | | 466 | | 246 | | 105 | | 36 | | 9 | | 1 | | 1 |
| | | 1 | | 769 | | 2088 | | 2328 | | 1665 | | 902 | | 399 | | 148 | | 45 | | 10 | | 1 | | 1 |
| | 1 |
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A130580 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 5 | 9 | 18 | 40 | 98 | 263 | 769
| | 1 | 1 | 3 | 6 | 13 | 30 | 76 | 211 | 638 | 2088
| | 1 | 1 | 4 | 10 | 26 | 71 | 210 | 673 | 2328
| | 1 | 1 | 5 | 15 | 45 | 140 | 466 | 1665
| | 1 | 1 | 6 | 21 | 71 | 246 | 902
| | 1 | 1 | 7 | 28 | 105 | 399
| | 1 | 1 | 8 | 36 | 148
| | 1 | 1 | 9 | 45
| | 1 | 1 | 10
| | 1 | 1
| | 1
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A130580 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 3 | 5 | 9 | 18 | 40 | 98 | 263 | 769
| | | 1 | 1 | 3 | 6 | 13 | 30 | 76 | 211 | 638 | 2088
| | | | 1 | 1 | 4 | 10 | 26 | 71 | 210 | 673 | 2328
| | | | | 1 | 1 | 5 | 15 | 45 | 140 | 466 | 1665
| | | | | | 1 | 1 | 6 | 21 | 71 | 246 | 902
| | | | | | | 1 | 1 | 7 | 28 | 105 | 399
| | | | | | | | 1 | 1 | 8 | 36 | 148
| | | | | | | | | 1 | 1 | 9 | 45
| | | | | | | | | | 1 | 1 | 10
| | | | | | | | | | | 1 | 1
| | | | | | | | | | | | 1
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