A028364 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 2 | | | | | | | |
| | | | | | 2 | | 3 | | 5 | | | | | | |
| | | | | 5 | | 7 | | 9 | | 14 | | | | | |
| | | | 14 | | 19 | | 23 | | 28 | | 42 | | | | |
| | | 42 | | 56 | | 66 | | 76 | | 90 | | 132 | | | |
| | 132 | | 174 | | 202 | | 227 | | 255 | | 297 | | 429 | | |
| 429 | | 561 | | 645 | | 715 | | 785 | | 869 | | 1001 | | 1430 | |
| 1430 | | 1859 | | 2123 | | 2333 | | 2529 | | 2739 | | 3003 | | 3432 | | 4862 |
A028364 formatted as a square array:
| 1 | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 |
| 2 | 3 | 7 | 19 | 56 | 174 | 561 | 1859 | |
| 5 | 9 | 23 | 66 | 202 | 645 | 2123 | | |
| 14 | 28 | 76 | 227 | 715 | 2333 | | | |
| 42 | 90 | 255 | 785 | 2529 | | | | |
| 132 | 297 | 869 | 2739 | | | | | |
| 429 | 1001 | 3003 | | | | | | |
| 1430 | 3432 | | | | | | | |
| 4862 | | | | | | | | |
A028364 formatted as an upper right triangle:
| 1 | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 |
| 2 | 3 | 7 | 19 | 56 | 174 | 561 | 1859 |
| | 5 | 9 | 23 | 66 | 202 | 645 | 2123 |
| | | 14 | 28 | 76 | 227 | 715 | 2333 |
| | | | 42 | 90 | 255 | 785 | 2529 |
| | | | | 132 | 297 | 869 | 2739 |
| | | | | | 429 | 1001 | 3003 |
| | | | | | | 1430 | 3432 |
| | | | | | | | 4862 |
|