A340424 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 4 | | 0 |
| | | | | | | | | | | 8 | | 0 | | 1 |
| | | | | | | | | | 15 | | 0 | | 4 | | 1 |
| | | | | | | | | 21 | | 0 | | 8 | | 4 | | 2 |
| | | | | | | | 33 | | 0 | | 15 | | 8 | | 8 | | 2 |
| | | | | | | 41 | | 0 | | 21 | | 15 | | 16 | | 8 | | 4 |
| | | | | | 56 | | 0 | | 33 | | 21 | | 30 | | 16 | | 16 | | 4 |
| | | | | 69 | | 0 | | 41 | | 33 | | 42 | | 30 | | 32 | | 16 | | 7 |
| | | | 87 | | 0 | | 56 | | 41 | | 66 | | 42 | | 60 | | 32 | | 28 | | 8 |
| | | 99 | | 0 | | 69 | | 56 | | 82 | | 66 | | 84 | | 60 | | 56 | | 32 | | 12 |
| | 127 | | 0 | | 87 | | 69 | | 112 | | 82 | | 132 | | 84 | | 105 | | 64 | | 48 | | 14 |
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A340424 as a square array
1 | 4 | 8 | 15 | 21 | 33 | 41 | 56 | 69 | 87 | 99 | 127
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 4 | 8 | 15 | 21 | 33 | 41 | 56 | 69 | 87
| 1 | 4 | 8 | 15 | 21 | 33 | 41 | 56 | 69
| 2 | 8 | 16 | 30 | 42 | 66 | 82 | 112
| 2 | 8 | 16 | 30 | 42 | 66 | 82
| 4 | 16 | 32 | 60 | 84 | 132
| 4 | 16 | 32 | 60 | 84
| 7 | 28 | 56 | 105
| 8 | 32 | 64
| 12 | 48
| 14
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A340424 as an upper right triangle
1 | 4 | 8 | 15 | 21 | 33 | 41 | 56 | 69 | 87 | 99 | 127
| | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 1 | 4 | 8 | 15 | 21 | 33 | 41 | 56 | 69 | 87
| | | | 1 | 4 | 8 | 15 | 21 | 33 | 41 | 56 | 69
| | | | | 2 | 8 | 16 | 30 | 42 | 66 | 82 | 112
| | | | | | 2 | 8 | 16 | 30 | 42 | 66 | 82
| | | | | | | 4 | 16 | 32 | 60 | 84 | 132
| | | | | | | | 4 | 16 | 32 | 60 | 84
| | | | | | | | | 7 | 28 | 56 | 105
| | | | | | | | | | 8 | 32 | 64
| | | | | | | | | | | 12 | 48
| | | | | | | | | | | | 14
|
|