A120643 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 2 | | 1 | | 1 |
| | | | | | | | | | 3 | | 2 | | 2 | | 1 |
| | | | | | | | | 5 | | 4 | | 3 | | 3 | | 1 |
| | | | | | | | 8 | | 8 | | 5 | | 6 | | 4 | | 1 |
| | | | | | | 14 | | 14 | | 10 | | 10 | | 10 | | 5 | | 1 |
| | | | | | 24 | | 25 | | 21 | | 16 | | 20 | | 15 | | 6 | | 1 |
| | | | | 43 | | 43 | | 43 | | 28 | | 35 | | 35 | | 21 | | 7 | | 1 |
| | | | 77 | | 76 | | 83 | | 56 | | 57 | | 70 | | 56 | | 28 | | 8 | | 1 |
| | | 140 | | 136 | | 153 | | 120 | | 93 | | 126 | | 126 | | 84 | | 36 | | 9 | | 1 |
| | 256 | | 248 | | 274 | | 256 | | 165 | | 211 | | 252 | | 210 | | 120 | | 45 | | 10 | | 1 |
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A120643 as a square array
1 | 1 | 2 | 3 | 5 | 8 | 14 | 24 | 43 | 77 | 140 | 256
| 1 | 1 | 2 | 4 | 8 | 14 | 25 | 43 | 76 | 136 | 248
| 1 | 2 | 3 | 5 | 10 | 21 | 43 | 83 | 153 | 274
| 1 | 3 | 6 | 10 | 16 | 28 | 56 | 120 | 256
| 1 | 4 | 10 | 20 | 35 | 57 | 93 | 165
| 1 | 5 | 15 | 35 | 70 | 126 | 211
| 1 | 6 | 21 | 56 | 126 | 252
| 1 | 7 | 28 | 84 | 210
| 1 | 8 | 36 | 120
| 1 | 9 | 45
| 1 | 10
| 1
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A120643 as an upper right triangle
1 | 1 | 2 | 3 | 5 | 8 | 14 | 24 | 43 | 77 | 140 | 256
| | 1 | 1 | 2 | 4 | 8 | 14 | 25 | 43 | 76 | 136 | 248
| | | 1 | 2 | 3 | 5 | 10 | 21 | 43 | 83 | 153 | 274
| | | | 1 | 3 | 6 | 10 | 16 | 28 | 56 | 120 | 256
| | | | | 1 | 4 | 10 | 20 | 35 | 57 | 93 | 165
| | | | | | 1 | 5 | 15 | 35 | 70 | 126 | 211
| | | | | | | 1 | 6 | 21 | 56 | 126 | 252
| | | | | | | | 1 | 7 | 28 | 84 | 210
| | | | | | | | | 1 | 8 | 36 | 120
| | | | | | | | | | 1 | 9 | 45
| | | | | | | | | | | 1 | 10
| | | | | | | | | | | | 1
|
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