A027537 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 3 | | 1 |
| | | | | | | | 19 | | 16 | | 1 |
| | | | | | | 201 | | 319 | | 55 | | 1 |
| | | | | | 3131 | | 8296 | | 2816 | | 156 | | 1 |
| | | | | 66883 | | 274089 | | 158774 | | 18254 | | 399 | | 1 |
| | | | 1866103 | | 11233692 | | 10137723 | | 2064028 | | 99093 | | 960 | | 1 |
| | | 65599089 | | 559402687 | | 738815949 | | 240080355 | | 21320275 | | 481821 | | 2223 | | 1 |
| | 2826880471 |
|
A027537 as a square array
| 1 | 3 | 19 | 201 | 3131 | 66883 | 1866103 | 65599089 | 2826880471
| | 1 | 16 | 319 | 8296 | 274089 | 11233692 | 559402687
| | 1 | 55 | 2816 | 158774 | 10137723 | 738815949
| | 1 | 156 | 18254 | 2064028 | 240080355
| | 1 | 399 | 99093 | 21320275
| | 1 | 960 | 481821
| | 1 | 2223
| | 1
|
A027537 as an upper right triangle
| 1 | 3 | 19 | 201 | 3131 | 66883 | 1866103 | 65599089 | 2826880471
| | 1 | 16 | 319 | 8296 | 274089 | 11233692 | 559402687
| | | 1 | 55 | 2816 | 158774 | 10137723 | 738815949
| | | | 1 | 156 | 18254 | 2064028 | 240080355
| | | | | 1 | 399 | 99093 | 21320275
| | | | | | 1 | 960 | 481821
| | | | | | | 1 | 2223
| | | | | | | | 1
| | | | | | | |
|
|
