A055884 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | | 1 | | 2 | | 3 |
| | | | | | | | | | 1 | | 4 | | 4 | | 5 |
| | | | | | | | | 1 | | 4 | | 8 | | 7 | | 7 |
| | | | | | | | 1 | | 6 | | 12 | | 16 | | 12 | | 11 |
| | | | | | | 1 | | 6 | | 17 | | 25 | | 28 | | 19 | | 15 |
| | | | | | 1 | | 8 | | 22 | | 43 | | 49 | | 48 | | 30 | | 22 |
| | | | | 1 | | 8 | | 30 | | 58 | | 87 | | 88 | | 77 | | 45 | | 30 |
| | | | 1 | | 10 | | 36 | | 87 | | 134 | | 167 | | 151 | | 122 | | 67 | | 42 |
| | | 1 | | 10 | | 45 | | 113 | | 207 | | 270 | | 296 | | 247 | | 185 | | 97 | | 56 |
| | 1 | | 12 | | 54 | | 155 | | 295 | | 448 | | 510 | | 507 | | 394 | | 278 | | 139 | | 77 |
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A055884 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 2 | 4 | 4 | 6 | 6 | 8 | 8 | 10 | 10 | 12
| 3 | 4 | 8 | 12 | 17 | 22 | 30 | 36 | 45 | 54
| 5 | 7 | 16 | 25 | 43 | 58 | 87 | 113 | 155
| 7 | 12 | 28 | 49 | 87 | 134 | 207 | 295
| 11 | 19 | 48 | 88 | 167 | 270 | 448
| 15 | 30 | 77 | 151 | 296 | 510
| 22 | 45 | 122 | 247 | 507
| 30 | 67 | 185 | 394
| 42 | 97 | 278
| 56 | 139
| 77
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A055884 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 2 | 4 | 4 | 6 | 6 | 8 | 8 | 10 | 10 | 12
| | | 3 | 4 | 8 | 12 | 17 | 22 | 30 | 36 | 45 | 54
| | | | 5 | 7 | 16 | 25 | 43 | 58 | 87 | 113 | 155
| | | | | 7 | 12 | 28 | 49 | 87 | 134 | 207 | 295
| | | | | | 11 | 19 | 48 | 88 | 167 | 270 | 448
| | | | | | | 15 | 30 | 77 | 151 | 296 | 510
| | | | | | | | 22 | 45 | 122 | 247 | 507
| | | | | | | | | 30 | 67 | 185 | 394
| | | | | | | | | | 42 | 97 | 278
| | | | | | | | | | | 56 | 139
| | | | | | | | | | | | 77
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