A186168 as a triangular array
| | | | | | | | | 0 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 7 | | 1 |
| | | | | | | 4 | | 48 | | 48 | | 4 |
| | | | | | 7 | | 321 | | 702 | | 321 | | 7 |
| | | | | 19 | | 2175 | | 14364 | | 14364 | | 2175 | | 19 |
| | | | 40 | | 14748 | | 253341 | | 751266 | | 253341 | | 14748 | | 40 |
| | | 97 | | 99933 | | 4762206 | | 37402872 | | 37402872 | | 4762206 | | 99933 | | 97 |
| | 217 | | 677283 | | 87054174 | | 1899336597 | | 5033988714 | | 1899336597 |
|
A186168 as a square array
0 | 1 | 1 | 4 | 7 | 19 | 40 | 97 | 217
| 1 | 7 | 48 | 321 | 2175 | 14748 | 99933 | 677283
| 1 | 48 | 702 | 14364 | 253341 | 4762206 | 87054174
| 4 | 321 | 14364 | 751266 | 37402872 | 1899336597
| 7 | 2175 | 253341 | 37402872 | 5033988714
| 19 | 14748 | 4762206 | 1899336597
| 40 | 99933
| 97
|
A186168 as an upper right triangle
0 | 1 | 1 | 4 | 7 | 19 | 40 | 97 | 217
| | 1 | 7 | 48 | 321 | 2175 | 14748 | 99933 | 677283
| | | 1 | 48 | 702 | 14364 | 253341 | 4762206 | 87054174
| | | | 4 | 321 | 14364 | 751266 | 37402872 | 1899336597
| | | | | 7 | 2175 | 253341 | 37402872 | 5033988714
| | | | | | 19 | 14748 | 4762206 | 1899336597
| | | | | | | 40 | 99933
| | | | | | | | 97
| | | | | | | |
|
|