A171633 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 4 | | 4 |
| | | | | | | | 25 | | 28 | | 11 |
| | | | | | | 136 | | 234 | | 144 | | 26 |
| | | | | | 609 | | 2040 | | 1590 | | 624 | | 57 |
| | | | | 2388 | | 15096 | | 19056 | | 9648 | | 2412 | | 120 |
| | | | 8593 | | 95196 | | 208893 | | 148336 | | 54267 | | 8628 | | 247 |
| | | 29224 | | 532918 | | 1961928 | | 2205850 | | 1063000 | | 285786 | | 29272 | | 502 |
| | 95689 | | 2739256 | | 16059128 |
|
A171633 as a square array
1 | 4 | 25 | 136 | 609 | 2388 | 8593 | 29224 | 95689
| 4 | 28 | 234 | 2040 | 15096 | 95196 | 532918 | 2739256
| 11 | 144 | 1590 | 19056 | 208893 | 1961928 | 16059128
| 26 | 624 | 9648 | 148336 | 2205850
| 57 | 2412 | 54267 | 1063000
| 120 | 8628 | 285786
| 247 | 29272
| 502
|
A171633 as an upper right triangle
1 | 4 | 25 | 136 | 609 | 2388 | 8593 | 29224 | 95689
| | 4 | 28 | 234 | 2040 | 15096 | 95196 | 532918 | 2739256
| | | 11 | 144 | 1590 | 19056 | 208893 | 1961928 | 16059128
| | | | 26 | 624 | 9648 | 148336 | 2205850
| | | | | 57 | 2412 | 54267 | 1063000
| | | | | | 120 | 8628 | 285786
| | | | | | | 247 | 29272
| | | | | | | | 502
| | | | | | | |
|
|