A166343 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 12 | | 1 |
| | | | | | | | 1 | | 27 | | 27 | | 1 |
| | | | | | | 1 | | 58 | | 162 | | 58 | | 1 |
| | | | | | 1 | | 121 | | 718 | | 718 | | 121 | | 1 |
| | | | | 1 | | 248 | | 2759 | | 5744 | | 2759 | | 248 | | 1 |
| | | | 1 | | 503 | | 9765 | | 36771 | | 36771 | | 9765 | | 503 | | 1 |
| | | 1 | | 1014 | | 32816 | | 205674 | | 367710 | | 205674 | | 32816 | | 1014 | | 1 |
| | 1 | | 2037 | | 106560 | | 1052408 | | 3072594 | | 3072594 | | 1052408 | | 106560 | | 2037 | | 1 |
|
A166343 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 12 | 27 | 58 | 121 | 248 | 503 | 1014 | 2037
| | 1 | 27 | 162 | 718 | 2759 | 9765 | 32816 | 106560
| | 1 | 58 | 718 | 5744 | 36771 | 205674 | 1052408
| | 1 | 121 | 2759 | 36771 | 367710 | 3072594
| | 1 | 248 | 9765 | 205674 | 3072594
| | 1 | 503 | 32816 | 1052408
| | 1 | 1014 | 106560
| | 1 | 2037
| | 1
|
A166343 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 12 | 27 | 58 | 121 | 248 | 503 | 1014 | 2037
| | | 1 | 27 | 162 | 718 | 2759 | 9765 | 32816 | 106560
| | | | 1 | 58 | 718 | 5744 | 36771 | 205674 | 1052408
| | | | | 1 | 121 | 2759 | 36771 | 367710 | 3072594
| | | | | | 1 | 248 | 9765 | 205674 | 3072594
| | | | | | | 1 | 503 | 32816 | 1052408
| | | | | | | | 1 | 1014 | 106560
| | | | | | | | | 1 | 2037
| | | | | | | | | | 1
|
|
