A191530 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | | | 1 | | 0 | | 1 |
| | | | | | | | | | | 0 | | 2 | | 0 | | 1 |
| | | | | | | | | | 2 | | 0 | | 3 | | 0 | | 1 |
| | | | | | | | | 1 | | 4 | | 0 | | 4 | | 0 | | 1 |
| | | | | | | | 6 | | 2 | | 6 | | 0 | | 5 | | 0 | | 1 |
| | | | | | | 5 | | 12 | | 3 | | 8 | | 0 | | 6 | | 0 | | 1 |
| | | | | | 20 | | 10 | | 18 | | 4 | | 10 | | 0 | | 7 | | 0 | | 1 |
| | | | | 21 | | 40 | | 15 | | 24 | | 5 | | 12 | | 0 | | 8 | | 0 | | 1 |
| | | | 70 | | 42 | | 60 | | 20 | | 30 | | 6 | | 14 | | 0 | | 9 | | 0 | | 1 |
| | | 84 | | 140 | | 63 | | 80 | | 25 | | 36 | | 7 | | 16 | | 0 | | 10 | | 0 | | 1 |
| | 252 | | 168 | | 210 | | 84 | | 100 | | 30 | | 42 | | 8 | | 18 | | 0 | | 11 | | 0 | | 1 |
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A191530 as a square array
1 | 0 | 1 | 0 | 2 | 1 | 6 | 5 | 20 | 21 | 70 | 84 | 252
| 1 | 0 | 2 | 0 | 4 | 2 | 12 | 10 | 40 | 42 | 140 | 168
| 1 | 0 | 3 | 0 | 6 | 3 | 18 | 15 | 60 | 63 | 210
| 1 | 0 | 4 | 0 | 8 | 4 | 24 | 20 | 80 | 84
| 1 | 0 | 5 | 0 | 10 | 5 | 30 | 25 | 100
| 1 | 0 | 6 | 0 | 12 | 6 | 36 | 30
| 1 | 0 | 7 | 0 | 14 | 7 | 42
| 1 | 0 | 8 | 0 | 16 | 8
| 1 | 0 | 9 | 0 | 18
| 1 | 0 | 10 | 0
| 1 | 0 | 11
| 1 | 0
| 1
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A191530 as an upper right triangle
1 | 0 | 1 | 0 | 2 | 1 | 6 | 5 | 20 | 21 | 70 | 84 | 252
| | 1 | 0 | 2 | 0 | 4 | 2 | 12 | 10 | 40 | 42 | 140 | 168
| | | 1 | 0 | 3 | 0 | 6 | 3 | 18 | 15 | 60 | 63 | 210
| | | | 1 | 0 | 4 | 0 | 8 | 4 | 24 | 20 | 80 | 84
| | | | | 1 | 0 | 5 | 0 | 10 | 5 | 30 | 25 | 100
| | | | | | 1 | 0 | 6 | 0 | 12 | 6 | 36 | 30
| | | | | | | 1 | 0 | 7 | 0 | 14 | 7 | 42
| | | | | | | | 1 | 0 | 8 | 0 | 16 | 8
| | | | | | | | | 1 | 0 | 9 | 0 | 18
| | | | | | | | | | 1 | 0 | 10 | 0
| | | | | | | | | | | 1 | 0 | 11
| | | | | | | | | | | | 1 | 0
| | | | | | | | | | | | | 1
|
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