A209999 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 2 | | 2 |
| | | | | | | | | | 4 | | 6 | | 3 |
| | | | | | | | | 7 | | 16 | | 13 | | 4 |
| | | | | | | | 12 | | 36 | | 44 | | 24 | | 5 |
| | | | | | | 20 | | 76 | | 122 | | 100 | | 40 | | 6 |
| | | | | | 33 | | 152 | | 306 | | 332 | | 201 | | 62 | | 7 |
| | | | | 54 | | 294 | | 712 | | 968 | | 783 | | 370 | | 91 | | 8 |
| | | | 88 | | 554 | | 1573 | | 2572 | | 2614 | | 1666 | | 637 | | 128 | | 9 |
| | | 143 | | 1024 | | 3339 | | 6392 | | 7829 | | 6296 | | 3277 | | 1040 | | 174 | | 10 |
| | 232 | | 1864 |
|
A209999 as a square array
1 | 2 | 4 | 7 | 12 | 20 | 33 | 54 | 88 | 143 | 232
| 2 | 6 | 16 | 36 | 76 | 152 | 294 | 554 | 1024 | 1864
| 3 | 13 | 44 | 122 | 306 | 712 | 1573 | 3339
| 4 | 24 | 100 | 332 | 968 | 2572 | 6392
| 5 | 40 | 201 | 783 | 2614 | 7829
| 6 | 62 | 370 | 1666 | 6296
| 7 | 91 | 637 | 3277
| 8 | 128 | 1040
| 9 | 174
| 10
|
A209999 as an upper right triangle
1 | 2 | 4 | 7 | 12 | 20 | 33 | 54 | 88 | 143 | 232
| | 2 | 6 | 16 | 36 | 76 | 152 | 294 | 554 | 1024 | 1864
| | | 3 | 13 | 44 | 122 | 306 | 712 | 1573 | 3339
| | | | 4 | 24 | 100 | 332 | 968 | 2572 | 6392
| | | | | 5 | 40 | 201 | 783 | 2614 | 7829
| | | | | | 6 | 62 | 370 | 1666 | 6296
| | | | | | | 7 | 91 | 637 | 3277
| | | | | | | | 8 | 128 | 1040
| | | | | | | | | 9 | 174
| | | | | | | | | | 10
| | | | | | | | | |
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